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From the introductory statements this diminution may, It would do much good if everyone spoke their minds op however, be merely temporary, and need not necessarily the subject of free libraries as straightforwardly as did the indicate a permanent falling off in the supply of fur-seal Countess of Jersey last Saturday afternoon. When laying pelts.

the foundation stone of a library which the generosity of In respect to skins used solely for rugs or ornamental Mr. Carnegie is providing for Hanwell, she touched on the purposes, very few words must suffice. In Messrs. Culver- great usefulness of books of reference, especially with regard well, Brooks, and Co.'s list for October of this year appear to the particular life-work of the reader. In fact, one 100 South American guanaco skins (from which the beautiful would judge that novels would find but a small place on orange carriage-rugs are made), 24 tiger, and 266 leopard the shelves if Lady Jersey were to choose all the books, for skins, while Messrs. Lampson's January list gives 184 tiger she very sensibly pointed out that the best volumes of fiction and 557 leopard skins (inclusive of snow-leopard and can now be bought for a few pence, and that more expensive ** leopard-cat ").

books and those more difficult to get should form the bulk The leopard skins range in price from 10s, or less to 345. of a public library. (535. for snow-leopard), while tiger skins vary from 21. to ool. each.

AT the winter session of the General Medical Council Imperfect and sketchy as this review of recent London

last week a report was considered from the Education Comfur sales necessarily is, it serves to give some idea of the

mittee on the proposals for a school certificate submitted

After enormous—we may almost say appalling-number of wild

to the council recently by the Board of Education.

discussion it was decided to inform the Board of Education animals annually slaughtered for the sake of their pelt What, however, it does not-and cannot-give is the effect

(1) that any well considered plan which would tend to a

diminution in the number of examinations in preliminary that this continuous slaughter is having on the numbers of the various species of fur-bearing animals throughout subjects of education, and to a unification of standard of the world.

those which remain, would meet with the hearty approval

of the Medical Council. (2) That if the standard of the This is what naturalists want to know from the point of view of zoology, and it is also what the fur trade com

examination contemplated in the scheme were such as to be munity ought to desire to know from the point of view

generally accepted for matriculation by the universities, the of their own and the world's interest. Of late years furs

council would be prepared to recognise it as qualifying for have become increasingly fashionable, with a correspond

entrance on a course of professional study. (3) That, pending appreciation in price; but as to whether this increased

ing the general adoption of a uniform system of unification

of educational tests, the council would welcome the establishdemand is having any serious effect on the numbers of furbearing animals in general we appear, except in the case of

ment under the Board of Education of a central board for a lew species, such as the sea-otter, the beaver, the West

the purpose of classifying examinations according to African guereza, and the fur-seals, to be in a state of utter

standard and arranging for the mutual recognition of certifiand hopeless ignorance.

R. LYDEKKER.

cates; and, further, that they regard the establishment of such a board as highly desirable from an educational point

of view. UNIVERSITY AND EDUCATIONAL INTELLIGENCE.

SOCIETIES AND ACADEMIES. OXFORD.-The new statute, the object of which is to

LONDON. exempt candidates for honours in mathematics or in natural science from Greek in Responsions, was brought before

Entomological Society, November 2.-Prof. E. B. Congregation on Tuesday, November 29. The changes

Poulton, F.R.S., president, in the chair.—Mr. J. E. Collin proposed in the statute were in strict accordance with the exhibited a specimen of Platyphora lubbocki, Verr., a species resolutions passed by Congregation in Hilary Term, 1904,

of Phoridæ parasitic upon ants. No specimen has been reexcept in one small detail. Candidates for honours in

corded since the one originally bred by the present Lord mathematics or in natural science have two courses open

Avebury in 1875, and described for him by Mr. G. H. to them under the proposed statute. They may offer the

Verrall in the Journal of the Linnean Society for 1877. subjects required by the present regulations, viz. Greek, -Mr. P. J. Barraud exhibited an aberrant Epinephele Latin, arithmetic, and elementary algebra or Euclid, or in

jurtina (janira), o, taken by him this year in the New place of Greek they may substitute French or German, Forest, in which the usual apical spots were absent from together with a mathematical or scientific subject to be the fore-wings, giving the specimen a curious appearance, prescribed by the board of studies for Responsions. Candi- noticeable even when flying.–Mr. J. Edwards sent for dates who had not offered Greek would be allowed to sub

exhibition three specimens of Bagous lutosus, Gyll., one stitute an additional knowledge of the subject-matter of found by himself on Wretham Heath, Norfolk, on August 4, the Bible for that part of the examination in Holy Scripture

1900—the first authentic British example—and two taken in which involves a knowledge of the Greek text of the Gospels.

the same locality by Mr. Thouless on May 22, 1903 ; also The statute was lost by 200 votes to 164.

Bagous glabrirostris, Herbst., from Camber, Sussex, for Dr. William Osler, F.R.S., regius professor of medicine, comparison.—Dr. T. A. Chapman exhibited bred specihas been elected to a studentship at Christ Church.

mens of Hastula (Epagoge, Hb.?) hyerana, Mill., from

larvæ taken at Hyères last March, and said the fact that NEW professorship of applied chemistry has been estab- the pale forms only have hitherto been known, whereas lished at Trinity College, Dublin. Mr. Emil Alphonse

of those bred nearly half are dark, suggests either that Werner, assistant to the professor of chemistry, has been really very few specimens are in collections—which is the appointed as the first occupant of the new chair.

most probable case-or that melanism is now affecting the We learn from Science that Park College, near Kansas

species.-Mr. W. J. Kaye exhibited specimens of the moths

Castnia fonscolombei and Protambulyx ganascus showing City, has received an additional endowment of 20,000l., of which goool. has been given by Dr. D. K. Pearson ; and

protective and warning coloration of the two species.that at a recent meeting of the trustees of Columbia Uni

Mr. H. W. Andrews exhibited specimens of Eristalis Harsity gifts amounting to about 9400l. were announced by

cryptarum, F., and Didea alneti, Fin., two species of the trustees. Among these was the sum of 3000l. from

uncommon Syrphidæ from the New Forest.–Mr. Edward

Harris exhibited eneral Horace W. Carpentier.

brood of Hemerophila abruptaria reared

by him this season, together with the parents, a dark male TIe Minister of Public Instruction for Austria has issued and a normal female, showing considerable variation, a decree concerning the admission to the universities of Mr. Gervase F. Mathew, R.N., exhibited some beautiful students from the Realschulen, according to which those and interesting examples of Leucania favicolor, Barrett, inwishing to be on the same footing as candidates from the cluding the varieties described by Barrett in the current Gymnasia are required to pass an additional examination, volume of the Entomologist's Monthly Magazine (p. 61), held iwice a year, in Greek, Latin, and philosophy. Candi- and, more recently, by Tutt in the Entomologist's Record dates may prepare for this examination either by private for this year. He also exhibited a series of twenty-four Study or by courses held at certain secondary schools. Camptogramma fluviota, the descendants of a wild pair captured on September 22, '1903, showing a wide range of E. W. Maunder. From the examination and tabulation colour variation.-The' President exhibited a photograph of the more considerable disturbances recorded, it had been taken by Mr. A. H. Hamm to illustrate the protective flower found that disturbances succeeded each other at intervals selection of Pieris rapae. He also exhibited four specimens corresponding to a synodical rotation of the sun. This of Conorrhinus megistus, Burm., the large South American occurred with too great frequency and regularity to be the Reduviid which is well known to attack man; these were result of chance coincidence, and it was concluded that the brought back by W. J. Burchell in the year 1828, and still magnetic influence radiates from very restricted areas on have the original labels affixed to them.

the sun's surface, certain streams reaching the earth with

each solar rotation. The relation of the magnetic disturbGeological Society, November 9.-Dr. J. E. Marr, F.R.S.,

ances with sun-spots was discussed, and it was pointed out president, in the chair.—Mr. E. T. Newton, in exhibit

that the theory threw light on the cause of the long straight ingy by permission of the director of H.M., Geological Survey, a specimen of Fayolia near to Fayolia grandis,

rays, seen proceeding from the corona at some solar eclipses,

and which sometimes reach a distance of several degrees. found by Dr. L. Moysey, of Nottingham, in the Coalmeasures of Ilkeston (Derbyshire), pointed out that Fayolia and of the constant of precession, from a comparison of

Determination of the apex of the solar motion in space, was first described by Profs. Renault and Zeiller in 1884, in Groombridge's catalogue (1810) with modern Greenwich their monograph on the “ Houiller de Commentry. In

observations: F. W. Dyson and W. G. Thackeray.-The 1894 Mr. Seward described the first British specimen, from

discussion on a paper by Dr. Rambaut on a very sensitive Northumberland, in the Leeds Naturalist, but thought that

method of determining the errors of a pivot, with special it was not a plant. There was some resemblance to certain

reference to the pivot errors of the Radcliffe transit circle, spiral egg-cases of Elasmobranchs, but Dr. Günther was

was deferred, and other papers were taken as read. unwilling to accept the Northumberland fossil as the eggcase of a fish. Mr. Kidston had not yet seen the specimen

Mineralogical Society, November 15.-Prof. II. A. Miers, now exhibited, but from a sketch he recognised its relation

F.R.S., president, in the chair.-Dr. J. W. Evans deto Fayolia. At present there was still uncertainty as to the

scribed two new forms of quartz-wedge by means of which exact nature of this fossil:--Notes on Upper Jurassic approximate quantitative estimations can be readily made Ammonites, with special reference to specimens in the

of the double refraction of minerals in small grains or in University Museum, Oxford, ii. : Miss Maud Healey. This

rock-sections.—Mr. J. Currie contributed a note on some paper gives a re-description of the types of Cardioceras

new localities in Scotland and the Færöes of gyrolite and vertebrale, Sow., C. scarbrugense, Y. and B., C. cordatum,

tobermorite, and Mr. C. R. Lindsey one on the occurrence Sow., and C. excavatum, Sow., and their varieties. Four

of microscopic crystals of brookite with anatase in the varieties of the first, nine of the second, three of the third

Cleveland ironstone.--Mr. R. H. Solly exhibited and deand fourth are defined, and a description is given of a

scribed various minerals from the Lengenbach quarry, new species of Cardioceras belonging to the same group.

Binnenthal. Three of these were new, viz. marrite and Notes on species allied to the group and on others which

bowmanite, of which the chemical composition has not yet have been wrongly confused with it are added. These

been determined, and lengenbachite, which has been shown species are so closely connected by innumerable transitional

by Dr. Hutchinson to be a sulpharsenite of lead containing forms that their limits cannot be definitely fixed. The term

some copper and antimony, and having a specific gravity species" is therefore used as equivalent to Prof. J. W.

of 5.8. Marrite occurs in small lead-grey crystals resembling Gregory's circulus : " It includes a number of 'forms,

modified cubes, and lengenbachite in thin lead-grey bladewhich vary along lines radiating outward from a central

shaped crystals, some as long as 40 mm., showing a highly type.'--Sarsen-stones in a clay-pit : Rev. E. C. Spicer.

perfect cleavage. Marrite crystallises in the oblique system Near to Bradenham, midway between High Wycombe and

with a :b:c=0.57634: 1:0-47389 and B=88° 45', while

lengenbachite is probably anorthic. Bowmanite occurs in Prince's Risborough; certain clay-pits yield a clay for brickmaking, in which are embedded large angular sarsen

small honey-yellow rhombohedral crystals with 111: 100= stones; white saccharoidal sandstones with siliceous

53° 50'. It has a highly perfect cleavage parallel to 100, cement.--On the occurrence of Elephas meridionalis at

and a specific gravity of about 3.2. The author also deDewlish (Dorset). Second communication : human agency

scribed twinned crystals of seligmannite dispersed over large suggested : Rev. Osmond Fisher. This paper is in con

crystals of dufrenoysite and baumhauerite, and curious tinuation of one published by the author in 1888. The site

highly modified crystals of blende showing a thin metallic in which the elephant-remains were found is a narrow

lead-grey coating.–Mr. H. L. Bowman described crystals trench, examined to a depth of 12 feet in places, with nearly

of a mineral from Cornwall which had been sent to him vertical sides, a smooth, chalk bottom, and an abrupt end.

for determination by Mr. F. H. Butler. They were found It was not a fault or a stream-course, and it was partly

to be bertrandite, a mineral new to the British Isles.-Mr. filled with fine dust-like sand which may have been wind

G. F. Herbert Smith exhibited a slightly modified form of borne.' The trench cuts diagonally across the scarp; and,

the hand refractometer which he had previously described. even if it could be accounted for by natural agencies, it is

-Mr. H. Hilton contributed notes on some applications difficult to explain how it happened that so many elephants construction of crystallographic projections.

of the gnomonic projection to crystallography, and on the fell into it. The author points out that in Africa elephants are caught by the natives in pitfalls of similar character Zoological Society, November 15.-Dr. W. T. Blanlord, constructed on the tracks leading to watercourses. This F.R.S., vice-president, in the chair.-The mammals trench is in a corresponding position with regard to a collected by Nr. E. Seimund in Fernando Po: Oldfield stream, and it is suggested as possible that the trench may Thomas, F.R.S. Twenty-four species, of which two were have been of human origin. There is, however, no con- new, were enumerated and remarked upon. Mr. Oldfield clusive evidence elsewhere that man was contemporary with Thomas also exhibited some skulls and a piece of skin, and Elephas meridionalis, which is characteristic of the Pliocene gave an account, of a new species of pig from the forests age.

of Central Africa.--The crowned cranes of the genus Royal Astronomical Society, November 11.-Prof. H. H.

Balearica, and a new species obtained on the White Nile Turner, president, in the chair.-The long-period terms in

by Lady William Cecil: Dr. P. Chalmers Mitchell.—The the lunar theory : P. H. Cowell.-Determination of seleno

mouse-hares of the genus Ochotona inhabiting 'the Palægraphical positions from measurement of lunar, photo, species, one of which was described as new.-Twelve new

arctic region : J. Lewis Bonhote. These numbered sixteen graphs : S. A. Saunder. This was the author's third communication on the subject, and in it he discussed the

species of earth worms from the north island of New

Zealand : Prof. W. Blaxland Benham. measures, made by Mr. J. A. Hardcastle, of four negatives taken at the Paris Observatory. The methods employed Chemical Society, November 16.-Prof. W, A. Tilden, were explained, and a comparison was given with the results F.R.S., president, in the chair.-The following papers were of other determinations, showing that a considerable in- contributed :--The isomerism of the amidines of the crease in accuracy had been obtained.—The magnetic dis- naphthalene series (fifth communication on anhydro-bases) : turbances, 1882 to 1903, as recorded at the Royal Observ- R. Meldola and J. H. Lane. When 2: 4-dinitroaceto-aatory, Greenwich, and their association with sun-spots : naphthalide is reduced (1) by tin and hydrochloric acid, and

a

(2) by iron and hydrochloric acid, two isomerie- amido- cerning algebraic surfaces of linear connection superior to amidines are produced, the former giving rise to that having unity : Emile Picard.-On the removal of moisture from the a-NH constitution, and the latter to the B-compound. the air blown into the Isabella blast furnace, near PittsThis difference in action is explained by assuming that in burg, by freezing : Alfred Picard and M, Heurteau. The presence of iron the two nitro-groups are fractionally re- efficiency of a blast furnace is dependent to a considerable duced while with tin both are reduced simultaneously. extent on the amount of moisture in the air supplied to the Theory of the production of mercurous nitrite and of its furnace. An account is given of a plant for removing this · conversion into various mercury nitrates ; P. C. Rây. moisture by passing the air through a refrigerating chamber Mercurous nitrite is the first product of the action of nitric cooled to about – 10°, C. The results obtained show a acid (containing nitrous acid) on mercury. This is con- surprising economy of fuel, the saving in the coke used verted into nitrate by the nitric acid, and finally, under amounting to 20 per cent.—On the constitution of ricinine: suitable conditions, there ensues an accumulation of nitrite L. Maquenne and L. Philippe. The authors have shown owing to the occurrence of the reaction represented by the in a previous communication that 'ricinine is converted by following equation :

the successive action of caustic potash and hydrochloric acid 4Hg + 4HNO,=Hg,(NO2),+Hg (NO), +2H,O.

into a methyloxypyridone. In the present paper 'a detailed

study of this substance is given.—New 'experiments on the --Amidechloroiodides : G. D. Lander and H. E. Laws.

photographic registration of the action of the n-rays on a Benzoylaniline imidechloride reacts with hydrogen iodide

small electric spark : R. Blondlot. A refinement of the furnishing an amidechloroiodide to which the constitution

method given in a previous paper, and an investigation of Ph.CCII.NHPh is provisionally assigned.—A new synthesis the possible sources of error. The photographic negatives of isocaprolactone and certain derivatives : D. T. Jones

obtained are regarded by the author as establishing beyond and G. Tattersall. The lactone was obtained by the inter

cavil the action of the n-rays on the electric spark. -On action of magnesium methyl iodide with ethyl lævulate.

continued algebraic fractions : R. de Montessus de Ballore. The influence of substitution in the nucleus on the rate of —The generalisation of a theorem of Weierstrass : Maurice oxidation of the side-chain, part ii., oxidation of the halogen Fréchet.-Fourier's series and Taylor's series on its circle derivatives of toluene : J. B. Cohen and J. Miller. The of convergence : P. Fatou.-On the chemical composition authors have studied the behaviour of the dichloro-,

of the radio-active gaseous mixtures given off from the water chlorobromo-, and dibromo-derivatives, and the comparative of some thermal springs. The presence of helium : Ch. oxidisability of these compounds is discussed.—The halogen

Moureu. The gases evolved from twelve different springs derivatives of naphthacenequinone : S. S. Pickles and

were analysed, and the figures given for the amounts of ( Weizmann.-The constitution of pyrazolidone deri

carbon dioxide, oxygen, nitrogen, and gases of the argon vatives: B-phenylazoisovaleric acid and s-B-phenylhydrazido

group.-The influence of the nature of the anode on the butyric acid : B. Prentice.-Preliminary notice of some con

electrolytic oxidation of potassium ferrocyanide : André densations of phenanthraquinone with ketonic compounds :

Brochet and Joseph Petit. The nature of the metal used F. R. Japp and J. Wood.—The decomposition of ethylene

as the anode has a very considerable effect on the electrohodide under the influence of the iodide ion : A. Slator:- lytic oxidation of potassium ferrocyanide, the yields varying The spectrum generally attributed to chlorophyll, and its

from 75 per cent. in the case of copper to nil in the case relation to the spectrum of living green tissues : W. N. of metals forming a soluble anode-On the complexity of Hartioy. The author confirms his previous observations

dissolved sulphates : Albert Colson. On the assumption on the difference in the absorption spectra of alcoholic ex

that the lowering of the freezing point of a solution of tracts of (a) fresh green leaves and (b) dried green leaves. sulphuric acid is due to the single molecule H,90,, the -Studies on comparative cryoscopy, part ii., the aromatic

author draws the conclusion that the, sulphates of the aids in phenol solution : P. W. Robertson. The influence bivalent metals in aqueous solution are present as double of various substituents on the molecular association of aromatic acids is discussed.-Isomeric change of diacyl- certain bodies in the production of rust : L. Lindet.On.

molecules.-The stimulating and paralysing influence of anilides into acylaminoketones. Transformation of di

the purification of solutions of vanadate of soda ; observ. benzoylaminobenzophenone into 1-benzoylamino-2-4-dibenz- |ations relating to the methods of double decomposition for oylbenzene : F. D. chattaway and W. H. Lewis.

the industrial separation of metals : M. Herrenschmidt. Royal Meteorological Society, November 16.- Capt. D. An explanation of the use of vanadic acid in preference to Wilwn-Barker, president, in the chair.—Meteorological sulphuric acid in the separation of silica and vanadic acid. observing in the Antarctic : Lieut. Charles Royde, R.N.- 1 -The action of iodine and yellow oxide of mercury on unDecrease of fog in London during recent years: F. J. saturated acids. The separation of isomers: J. Bougault. Brodie. The author had discussed the number of days of The results obtained depend upon the position of the ethylene fog reported at Brixton, the London station of the Meteor- linkage in the molecule. Acids with the By linking fix ological Office, for the thirty-three years 1871-1903, and hypoiodous acid in a very stable manner, giving rise to found that the mean annual number of fog days was 55, iodolactones.--Researches on the action of hydrobromic and of which 45 occurred in the winter half of the hydrochloric acids on triacetin, , Formation of some new Fear, and only to in the summer half. December is the halogen derivatives of triacetin ; R. de la Acéña.--The Inggiest month with 9.5, the next being November with addition of hydrogen to some aromatic ketones by means * 3. January with 8.2, and October with 78. The clearest of reduced nickel. A new method of synthesis of aromatic months are July with 0-4, June with 0-6, and May with 0.8. hydrocarbons : Georges Darzens. With nickel reduced The greatest number of fog days was 86 in 1886 and 83 from its oxide at a temperature of 300° C., and working the * 1887, and the least 13 in 1900 and 26 in 1903. Dividing Sabatier and Senderens reaction at 190° C. to 195° C., the thirty-three years into three periods of eleven years each, aromatic ketones of the formula C.H.-CO-R are rethe author showed that the mean for 1871-1881 was 55. duced to hydrocarbons of the type C.H.-CH-R, without for 1882-1892 it was 69, while for 1893-1903 it was only 41, the production of any appreciable amount of the hexahydrothere being thus a very marked decrease in the number of derivative. If, on the other hand, the nickel is reduced days with fog during the last eleven years.-Hurricane in at the lowest possible temperature, so that it is very active, Fi, Jamuary 21-22, 1904: R. L. Holmes.

the addition product makes its appearance. Details are

given of the application of this reaction to several ketones, Paris,

and the method appears to be a general one for the producAcademy of Sciences, November 21.-M. Mascart in the tion of hydrocarbons. -The action of pyridine and quinoline chair.-On the changes in dimensions and volume that the bases on bromosuccinic and dibromogurcinic esters : Louis organs and tissues of plants undergo under the influence Dubreuil.---The theory of colouring matters: Jules of desiccation : M. Berthelot. The length of the stem is Schmidlin.-On trehalase, its general presence in fungi : Past greatly affected, but the lateral dimensions, and there- Em. Bourquelot and H. Hórissey. Trehalase appears to lite the capacity, diminishes to a considerable extent during be an enzyme generally present in fungi, the times of its drying.-Remarks on the necessity of studying the vari- appearance and disappearance being possibly in close re. atives of dimensions and volume of organs and parts of lation with the utilisation of trehalose or the storage of living of extinct beings in anthropological and palæonto the latter in the form of reserve material. On the measurelongical work : M. Berthelot-On a general theorem con- ment and the laws of variation of the energy shown by the

'ergograph according to the frequency of the contractions and the weight raised : Charles Henry and Mlle. J. Joteyko.-On the law of variation of weight of Penicillium glaucum as a function of its age : Mlle. W. Stefanowska. The results are expressed graphically, and show that the evolution of the weight of these fungi as a function of the time presents two well marked phases: a phase of rapid ascent up to the period of fructification, and a phase of decrease appearing suddenly after fructification.- Transformations of the new secreting apparatus in Conifers : G. Chauveaud.-On vegetation in atmospheres rich in carbon dioxide : E. Demoussy. With one exception, there is a marked advantage in supplying plants with an additional amount of carbonic acid, the average increase in the weight of the aërial parts of the plant being 60 per cent. greater in the case of the artificial atmosphere.-On the experimental production of radishes with starchy reserves : Marin Molliard.--Solanum Commersoni and its variations in relation to the origin of the cultivated potato : Edouard Heckel.-A new theory of phototropism ; Georges Bohn.-On the geology of the Salzkammergut: Émile Haug and Maurice Lugeon.-On the mountain chains to the south of the Guadalquivir : Robert Douvillé.--The tension of carbonic acid in the sea and on the reciprocal influence of the carbonic acid of the sea and that of the atmosphere : August Krogh. From a study of the equilibrium between sea-water and the carbonic acid of the air, the conclusion is drawn that the proportion of carbon dioxide in the air tends to increase, the sea, by absorbing the gas, opposing this tendency.-The measurement of the sensitiveness of taste in men and women : N. Vaschide. The elimination of sulphur and of phosphorus, the demineralisation of the organism, and the magnitude of the average molecule elaborated in persons suffering from skin diseases : A. Desgrez and J. Ayrignac. On the relations between Surra and Mbori : MM. Vallée and Panisset.- Remarks by M. Laveran' on the preceding communication.

WEDNESDAY, DECEMBER 7.
SOCIETY OF ARTS, at 8. -The International Exhibition at St. Louis :

W. F. Reid.
SOCIETY OF PUBLIC ANALYSTS, at 8.
GEOLOGICAL Society, at 8.-Tbe Chemical and Mineralogical Evidence

as to the Origin of the Dolomites of Southern Tyrol: Dr. E. W. Skeots.

-Certain Genera and Species of Lytoceratidæ : S, S. Buckman. ENTOMOLOGICAL SOCIETY, ar 8. --On Erebia bejarasis and Errla tyrke in Spain, with an Exhibition of Specimens : Dr. Thomas A. Chapman

THURSDAY, DECEMBER 8.
ROYAL Society, at 4.30.- Probable Papers :-Memoir on the Theory of

Partitions of Numbers. Part III: Major P. A. MacMahon, F.RS -
Note on a Means of Prducing a High-voltage Continuous or

Per tinacious " Current: Sir Oliver Lodge, E.R.S. -The Role of Diffusion during Catalysis by Colloidal Metals and Similar Substances : Dr. H. J. S. Sand. -The Effect of Liquid Air Temperalures on the Mechanical and other Properties of Iron and its Alloys : Sir James Dewar. F.R.S.,

and R. A. Hadfield.
CIVIL AND MECHANICAL ENGINEERS' SOCIETY, a! 8.-Notes on Portland

Cement: H. E. Bellamy.
INSTITUTION OF ELECTRICAL ENGINEERS, at 8.--Hydrodynamical and

Electromagnetic Investigations regarding the Magneric-Flux Distnbu-
tion in Toothed-Core Armatures: Prof. H. S Hele-Skaw, F.R.S,
Dr. A. Hay, and P. H. Powell. (Conclusion of Discussion). --Studies in

Magnetic Testing : G. F. C. Searle.
Scciety of Arts, at 4.30. -Buima: Sir Frederic Fryer, K.C.S.I.
MATHEMATICAL Society at 5.30 - On Groups of Order you are on: Prof

W. Burnside. -On the Linear Differential Equation of the Second Order :
Prof. A. C. Dixon.-On a Deficient Multinomial Expansion : Major
P. A. MacMahon.

FRIDAY, DECEMBER 9.
EPIDEMIOLOGICAL SOCIETY, at 8.30.-Ticks and Tick-transmitted

Diseases : Dr. Nuttall, F.R.S.
MALACOLOGICAL SCciety, at 8.-Description of a new species of

Trachiopsis from British New Guinea : H. e, Preston.--A Correction in
Nomenclature : E. A. Smith.-Notes on the American Cyclostomatidar
and their Opercula : W. H. Dall.--Note on the Dates of Publication
of the Various Parts of Moquin-Tandon's "Hist. Moll. terr. fluv. de

France": J. W. Taylor.
ROVAI ASTRONOMICAL SOCIETY, at 5.
PHYSICAL SOCIETY, at 8.-On a Rapid Method of Approximate Harmonic

Analysis : Prof. S. P. Thompson. F.R.S.-A High-Frequenry Alter
nator : W. Duddell. -Exhibition of Experiments to show the Retardation
of the Signalling Current on 3500 miles of the Pacific Cable between
Vancouver and Fanning Isiand. -Exhibit of Ayrton-Macher Galvano-
meters, Universal Shunts, and Electrostatic Instruments.

a

DIARY OF SOCIETIES.

CONTENTS.

PAGE
THURSDAY, DECEMBER 1.
Dai Nippon

97 ROYAL SOCIÉTY, at 4-30.-The Ascent of Water in Trees : Dr. A J. Ewart.-On the Presence of Tyrosinases in the Skins of some Pigmented

Sylvester's Mathematical Pape's. By G. B. M. 98 Vertebrates : Miss F. M. Durham --On the Structure and Affinities of Mental and Social Measurements. By F. G.

99 the Fossil Plants from the Palæozoic Rocks. V.-On a New Tipe of Sphenophyllaceous Cone (Sphenophyllum fertile) from the Lower Coal

Our Book Shelf :· Measures : Dr D. H. Scott, F.R.S --On Chemical Combination and Martin : * Practical Chemistry, Second Year Toxic Action as Exemplified in Hæmolytic Sera; Prof. R. Muir and C. H. Browning.- Histological Studies on Cerebral Localisation. Pait

Course." - J. B, C.

TOO II.: Dr. A W. Campbell.

Whiling : “Retouching'

100 CHEMICAL SOCIETY, at 8.- The Nitrites of the Alkali Metals and Metals

Letters to the Editor of the Alkaline Earths. and their Decomposition by Heat: P. C. Rây. RÖNTGEN SOCIETY, at 8.15.-The Perspective Nature of X-Ray Projec- Average Number of Kinsfolk in each Degree.-Prof. tion : Dr. W. Cotton. - The New Ultra-violet Glass recently produced

G. H. Bryan, F.R.S.

IOI by Messrs. Schott and Genossen, of Jena : J. H. Gardiner. Both will be illustrated by the Epidiascope.

Compound Singularities of Curves. ---A. B. Basset, LINNEAN SOCIETY, at 8.- Proteid Digestion in Animals and Plants :

F.R.S.

IOI Prof. Sidney H. Vines, F.R.S.

The Origin of Life. - George Hookham

101 FRIDAY, DECEMBER 2.

Change in Colour of Moss Agates.-A. Hutchinson 101
Eocene Whales.--F. A, Lucas.

102 AERONAUTICAL SOCIETY, at 8.--The Aëronautical Exhibits at the St. Louis Exhibition : the President, _Major B. Baden-Powell. -Kites,

The Discovery of Argon.—The Translator

102 Kite-flying and Aëroplanes: W. H. Dines — The Work of ite Inter- The Leonids, 1904.-Alphonso King.

102 national Aeronautical Commission : Dr. M. H. Hergesell. -Captive Intelligence in Animals.-J. E A. T.; F. C.

Balloon Photography: Griffith Brewer.
GEOLOGISTS' Association. at 8.--On the Superficial Deposits of Central

Constable

102 and Parts of Southern England : Dr. A. E. Salter.

fatagonia (Illustrated.) By J. W. E.

IO2 INSTITUTION OF Civil Engineers, at 8.- Midland Railway, West Riding Lord Kelvin and Glasgow University Lines : The Construction of Contract No. 1: R. T. McCallum.

104 MONDAY, DECEMBER 5. Anniversary Meeting of the Royal Society

105 Society of Arts, at 8.--Musical Wind Instruments: D. J. Blaikley.

Notes ..

111 (Cantor Lecture II.-Brass Instruments.)

Our Astronomical Column :-
SOCIETY OF CHEMICAL INDUSTRY, at 8.-(1) Raschig's Theory of the Astronomical Occurrences in December
Lead Chamber Process ; (2) Theory of the Action of Metals on Nitric

114 Acid : Dr. E. Divers, F.R.S.-A Rapid and Accurate Method for the

Encke's Comet (1904 b)

114 Estimation of Phosphorus in Iron Ores: L. J. Davies.-Fluorescope for Variations on the Moon's Surface

114 Comparing Substances under the Influence of Radium Rays : C. 'S. S. Webster.

Celestial Photography at Iligh Altitudes VICTORIA INSTITUTE, at 4.30. - The Right Way in Psychology: Rev. F.

Distribution of Stellar Spectra
Storrs Turner.

Absorption by Water Vapour in the intra-red Solar
TUESDAY, DECEMBER 6.
Spectrum

115 ANTHROPOLOGICAL INSTITUTE, at 8.-Exhibition of a Slate Adze and

The Supply of Valuable Furs. By R. Lydekker, F.R.S. 115 Other Objects: Rev. R. Ashington Bullen.-- Lantern Illustrations of Native Types from South India : Edgar Thurston,

University and Educational Intelligente

117 INSTITUTION OF Civil Engineers, at 8.-- Distribution of Electrical Societies and Academies Energy (Discussion): J. F. C. Sneil. -On the Construction of a Concrete

117 Railway-Viaduct : A. Wood-Hill and E. D. Pain.

Diary of Societies

120

115

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APPS,

433 STRAND, LONDON.

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CONTENTS:
PRACTICE AND PRECEPT:-
THE BISHOP OF HEREFORD'S BILL. By the Rev.

J. B. PATON

THE USE of MODELS in MATHEMATICAL TEACHING. MANUFACTURER of Patented Induction Coils, other

Ky E. M. LANGLEY. Scientific Instruments and Engineering Appliances CRITERIA IN THE SELECTION OF HEADMASTERS

AND MISTRESSES. By G. A. CHRISTIAN, B.A. to the Government Departments.

OUR LEADERS.-XII. Dr. Richard Busby. (With a JOINTLESS SECTION COILS, my system of 1868, to order, 10 in. Coils Porirait.)

4000 obr3 R, very thick discharge. Primary Coils for 10 to 230 volts. THE BOOK AND ITS WRITER. Prof. Sadler's COMMERCIAL SERIES OF COILS, as Fig., at about one-balf of cata. Liverpool Report. logue prices.

QUALITY: NOT QUANTITY. Mr. Sadler and Richard Maker and Designer of the following Coils :

Mulcaster. By Prof. FOSTER WATSON. POLYTECHNIC. 29 in. spark.

THE TEACHERS' FORUM. Wanted a New SPOTTISWOODE, 44 in. spark.

Renaissance. By E. M. WILMOT.Buxton. THE SOUTH KENSINGTON COIL, 48 in. spark. Special Coils for

NATURE STUDY. Bird and Tree Day. By J. A. Owen. Wireless Telegraphy.

RURAL SCHOOLS OF SCIENCE. By J. C. MEDD. NEW TRIPLE-POLE MERCURY BREAK, giving a stream-like effect GERMAN LETTER. Women at the

German when used with Apps' Patented Induction Coil (this can be fitted to

Universities. By Dr. Otto W. BEYER. any Induction Coil), £6 6s. HOSPITAL X-RAY SETS, complete in every detail, from £25 each.

HOW THE ACT WORKS. Berkshire-Kent. The Model Apparatus adopted for South Africa, with Batteries, small REVIEWS.

Steam Motor, &c. SETS OF X-RAY APPARATUS suitable for MINOR NOTICES.

Field Hospitals, from £50.
HIGE FREQUENCY APPARATUS of my newest models.

JOHN MURRAY, ALBEMARLE STREET, W.
PRICES per return pos'.

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