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NEW, RARE, AND INTERESTING MICROSCOPIC OBJECTS.
ESSENCES OF BEEF, LITTLE)1,
W. WATSON & SONS. Awarded 20 GOLDLAND OTHER MEDALS at various International Exhibitions including
s. d. New Slide, containing about 200 various Diatoms from St. Peter, Trans. Section of Tentacle of Sea Anemone, showing Thread Cells, &c.! Hungary-very fine
Trans. Section of Ascaris from Horse, showing Alimentary Canal, Ovi Type Slide of about 60 Diatoms from Simbirsk ...
ducts, Vierus, Muscle, &c. Very beautiful Group of Eggs of Butterflies, Moths, &c.-Opaque
Amphioxus-Trans. Section through Pharynx Type Slide of Eggs of Butterflies, Moths, &c. -Opaque, named
Phantom Shrimp (Caprella linearis) Strewed Diatoms from North Sea, Cuxhaven-Opaque...
Kidney of Snail-Typical Crustacean Elytron of Diamond Beetle, Cyphus-very brilliant
Sponge Spicules from Jeremie, in Group-very curious.. Fluke from Sheep (Fasciola hepatica)-Stained
Hydra vulgaris, with
Tentacles extended... Very fine Arranged Group of various Diatoms-suitable for Soirées, Pediculus capitis, Male, Female, Egg, and Larva-on One Slide &c.
Horizontal Section of Fatal Hand, showing commencement of ossiDistillation from Vapour of Coke-for Polariscope
fication in metacarpal bones
ILLUSTRATED CATALOGUE OF MICROSCOPES, &c.
313 HIGH HOLBORN, LONDON, W.C. AND 251 SWANSTON STREET, MELBOURNE, AUSTRALIA.
ESTABLISHED 1837. TO H.R.H. THE PRINCE OF WALES, THE EMPRESS OF GERMANY, &c
BRAND & CO'S
SORE ADDRESS A FINE TONIC AND
An excellent relish for "fish, filesh, and fowl."
MUTTON,VEAL & CHICKEN
TEA, TURTLE SOUP 85 JELLY, MAYFAIR.
EMINGTON STANDARD TYPEWRITER.
A WORD TO BUSINESS MEN.
by the use of carbon paper. Excellent letterpress copies can be taken. Our improved machine has been adopted in all the Departments of the Government Service, and is being very generally introduced by all leading business houses. Does not this argue that the Typewriter should be worth something to you? The Machines can be furnished with special key-boards to suit any purchaser's line of business.
LIVERPOOL : Central Buildings, NORTH JOHN STREET.
Write for Full Information.
MACMILLAN AND Co., at the Office,' 29 and 3o Pedf vd Street, Covent Garden.- THURSDAY, Apr 1 3. 1890
No. 1067, VOL. 41.] THURSDAY, APRIL 10, 1890.
[PRICE SIXPENCE. Registered as a Newspaper at the General Post Office.]
[All Rights are Reserved. NEWTON'S PATENT
SEND FOR NEW EDITION OF
ELECTRICAL & OTHER SCIENTIFIC
NALDER BROS. & Co.,
THE CAMBRIDGE SCIENTIFIC INSTRUMENT COMPANY, NEGRETTI & ZAMBRA'S
ST. TIBB'S ROW, CAMBRIDGE.
WITH FINEST BRAZILIAN PEBBLES, PHYSICAL, PHYSIOLOGICAL, BOTANICAL, AND
OR THE PUREST GLASS. SCIENTIFIC APPLIANCES GENERALLY,
Carefully adapted to any sight, a Register of which is kept for Dacriptions of which may be obtained on application.
Photography, done on the premises.
Quarts Fibres made as described by Mr. C. V. Boys.
Model (made in Japan) of Prof. SEKIYA.
NEGRETTI AND ZAMBRA make a Speciality of Spectacles for
Lawn Tennis, Billiards, Fishing, Riding, and Shooting. THE JOURNAL OF PHYSIOLOGY. NEGRETTI & ZAMBRA, Edited by MICHAEL FOSTER, M.D., F.R.S.
Scientific INSTRUMENT MAKERS TO THE QUEEN, Published by the Proprietors and sold on their behalf at 38 HOLBORN VIADUCT, E.C. THE CANBRIDGE SCIENTIFIC INSTRUMENT COMPANY'S WORKS, Branches : 45 CORNHILL ; 122 REGENT STREET. ST. TIBB'S ROW, CAMBRIDGE.
Photographic Studio-CRYSTAL PALACE, Sydenham.
Telephone No. 6583. Telegraphic Address : "Negretti, London."
THE LONDON HOSPITAL MEDICAL LIVING SPECIMENS FOR THE MICROSCOPE. COLLEGE.
GOLD MEDAL awarded at the FISHERIES EXHIBITION 15 The SUMMER SESSION will commence on THURSDAY, MAY 1. THOMAS BOLTON, 83 CAMDEN STREET, BIRMINGHAM,
The Hospital, which is the largest general Hoʻpital in the Kingdom. concains nearly 800 beds. all in constant use. There are wards for accidents, Who last week sent to his subscribers Paludicella Ehrenbergi, with sketch surgical and medical cases, diseases of women and children, and ophthalmic and description. He also sent out Lophopus crystallinus, Argulus kuliaceus, cases. Special departments for diseases of the eye, ear, throat. skin, and
Corethra. Trout Ova, Philodina roseola, Floscularia. Corethra plamicornis, teeth, and for cancer, tum »urs, diseases of the bladder, piles, and fistula. Melicerta ringens, Stephanoceros; also Amoba, Hydra, Vorticella, Crayfish, Number of in patients last year, 8873; out-patients, 101,548; accidents,
Dog Fish. Amphioxus, and other Specimens for Biological Laboratory work. 7456.
Weekly Announcements will be made in this place of organisms T. B. Surgical operations daily.
is supplying APPOINTMENTS. - Resident Accoucheur, House Physicians, House Surgeons, &c. Forty of these Appointments are made Annually. Numerous
Specimen Tube, One Shilling, post free. Dressers, Clinical Clerks, Post-mortem Clerks, and Maternity Assistants are Twenty-six Tubes in Conrse of Six Months for Subscription of 11 th, appointed every Three Months. All Appointments are Free. Holders of
or Twelve Tubes for ios. 60 Resident Appointments are also provided Free Board. The New College Buildings are now complete, and afford more than double the former
Portfolio of Drawings, Eleven Parts, is. each, accommodation
SCHOLARSHIPS AND PRIZES.-Twenty Scholarships and Prizes UNIVERSITY COLLEGE, LONDON.
FACULTY OF MEDICINE.
The Classes re-commence on MAY 1, and are so arranged as to afford NB. --Special arrangements have been made to meet the requirements of
a convenient opportunity for Students to commence their Medical Course the Examining Board in England so as to enable Students entering in May
Full information may be obtained from the Office of the College, Gorer to pass Part 1. (Chemistry and Chem.cal Physics), and Part II. (Materia
Street, W.C. Medica and Pharmacy) of the First Examination in July.
JOHN WILLIAMS. M.D., Dean The London Hospital is now in direct communication with all parts of the
J. M. HORSBURGH, M.A.. Secretary. Metropolis. The Metripolitan District and other Railways have Stations within a Minute's Walk of the Hospital and College.
BIOLOGY (Zoology and Botany). For further Information apply Personally or by Letter to
Courses adapted to the requirements of Candidates for the Preliminary Mile End, E.
MUNRO SCOTT, Warden. Scientific Examination of the University of London under the direction it
Prof. RAY LANKESTER and Prof. OLIVER commence on APRIL 15 ROYAL INSTITUTION OF GREAT
Students can enter as late as MAY 1.
Apply to the SECRETARY or to Prof LANKESTER at University College BRITAIN,
London, Gower Street, W.C.
E. RAY LANKESTER, M.A. LL.D., F.R.S., Dean ALBEMARLE STREET, PICCADILLY, W.
J. M. HORSBURGH, MA. Secretary. Tuesday Next (April 15). at 3 o'clock-The Hon. GEORGE C. BRODERICK, CAVENDISH COLLEGE, CAMBRIDGE. D.C.L.: First of Three Lectures on "The Place of Oxford Univers.ty in English History." Half-a-Guinea the Course. 1 hursday (April 17). at 3 o'clock - Prof. C. V. Boys, F.R.S.: First of days, for One Scholarship
of Eso and Six Scholarships of £30 a Yeat, spen
An EXAMINATION will be held on TUESDAY, July 3, and following Three Lectures on "The Heat of the Moon and Stars." Half-a-Guinea. Saturday (April 19) at 3 o'clock-CAPTAIN W. De W. ABNEY, R.E., C.B..
to Students under 18 Years on October 1, 1890. Candidates may offer wie F.RS.: First of Three Lectures on "Colour and its Chemical Action."
or more of the following Suhjects :Half a-Guinen.
Classics, Mathematics. Natural Science, Modern Languages. Subscription to all the Courses in the Season, Two Guineas,
The College Fee for Board. Loiging, and Tuition is 625 for each of the The Friday Evening Meetings will be resumed on April 18, when Sir
Three University Terms and 615 Or Residence in the Long Vacation FHEDERKK BRAMWELL, Bar., F.R.S., will give a Discourse on "Welding
For further information apply to the MANTER. b, Electricity," at 9 o'clock. To those Meetings Members and their Frien is only are admitted.
GUY'S HOSPITAL, S.E. ST. THOMAS'S HOSPITAL MEDICAL .
Two OPEN SCHOLARSHIPS in Classics, Mathematics, and Modern SCHOOL,
Languages: one of the value of 100 Guineas, open to Candidates under za ALBERT EMBANKMENT, LONDON, S.E.
Years of Age, and one of so Guineas open to Candidates under as Years
of Age. The SUMMER SESSION will commence on MAY 1. Students enter
Two OPEN SCHOLARSHIPS in Chemistry, Physics, and Biology: ing in the Summer are eligi le to compete for the Science Scholarships of 125 dates under 25 Years of Age.
one of the value of 125 Guineas and another of 50 Guineas, open to Cand Guineas and £60 awarded in October There are numerous Prizes and Scholarships, and all Appointments are
For further particulars, apply to the DEAN, Guy's Hospital, S.E. open to Students, without extra charge. held throughout the year. A Register of approved lodgings, and of private
Special Classes for the Examinations of the University of London are GUY'S HOSPITAL MEDICAL SCHOOL. families receiving Students to reside, is kept in the Secretary's Office
UNIVERSITY OF LONDON PRELIMINARY SCIENTIFIC Prospectus and all particulars may be obtained from the Medical
M.B. EXAMINATION. Secretary, Mr. G. RENDLE.
E. NETTLESHIP, Dean.
Instruction is given in all the subjects of the above Examinations
GUY'S HOSPITAL during the Winter and Summer Sessions, The Fes LEEDS MECHANICS' INSTITUTION
for the whole Course is Ten Guineas. The Class is not confined to Students
of the Hospital. AND LITERARY SOCIETY.
For further particulars, apply to the DEAN, Guy's Hospital, Souilwark,
S.E. "The Directors invite applications for the post of HEAD MASTER of the SCHOOL OF SCIENCE AND TECHNOLOGY and TEACHER OF
VICTORIA UNIVERSITY. CHEMISTRY to the Boys and Girls' Schools in connection with the Institution, the present Head Master having been elected to the Head Master: THE YORKSHIRE COLLEGE, LEEDS. ship of the Merchant Venturers' School, Bristol. The Master appointed will be expected to take the classes in Theoretical and Practical Inorganic
The THIRD TERM begins WEDNESDAY, APRIL 16. New entries and Organic Chemistry, and to exercise a general supervision over the other
will be taken for most of the Classes, classes of the School of Science. The School buildings are new, and furnished
Prospectus free from the SECRETARY. with all necessary materials and apparatus for science teaching, Salary, partly fixed and partly dependent upon results, amounts to about 280.
THE AGRICULTURAL COLLEGE, Full part.culars may be had from the SECRETARY, to whom applications must be sent not later than April 23.
PRINCIPAL-DR. H. J. WEBB, B.Sc. LONDON GEOLOGICAL FIELD CLASS, 1890. Thorough practical and scientific Training in Agriculture. Preparation Directed by Prof. H. G. SEELEY, F.R.S.
for the Colonies. Students gained the First. Third, and Fourth Scholar SECTION C-GEOGRAPHICAL.
ships of the Royal Agricultural Society, 1888. The Excursions of this Section of the Society are arranged for the Prac<ical Study of Geography. Its method is to visit Types of Rivers, Valleys, Hills, and Hill Ranges on Saturday Afternoons; to observe the Character.
TO SCIENCE LECTURERS. istics of these phys.cal features of the Country, and to Study the Conditions See Mr. HUGHES'S PATENT COMBINATION OPTICAL LAN which have produced them.
TERN, used by W. LANT CARPENTER, Esq.. Prof. FORBES, B. J. MALDEN First Excursion APRIL 12, 1890. Fur Particulars, apply to John Kidd, 74 Brighton Road, South
Esq. New Oxyhydrogen Microscope. Grand Results. Docvna Triple
Prize Medal, Highest Award. Patent Pamphagos Lantern Science Lakere Hornsey, N.
Sets. Novelties Cheapest and Best. Elaborately Illustrated Catalogo N. B.-As there are only a few Vacancies to be filled up, early application 300 Pages, is. : Postage, sd. Smaller do., 6d. Pamphlets Free HUGHES, is requested.
Specialist, Brewster House, Mortimer Road, Kingsland, N.
Sales by Auction.
F.H. BUTLER, M.A. Oxon., Assoc.R.S Mines,
NATURAL HISTORY AGENCY,
158 BROMPTON ROAD, LONDON, IMPORTANT SALE OF SCIENTIFIC BOOKS. MR. J. C. STEVENS will Sell by Auction Dealer in Rocks, Minerals, Fossils, and other objects at bis Great Rooms, 38 King Street, Covent Garden, on MONDAY,
of Scientific Interest, APRIL 14, at half past 12 precisely, the Library of the late Dr. AKTHUR WALLER, of Gibson Square, Islington, together with other
Begs to announce that he has REMOVED his extensive Collections to Valuable Natural History Works, comprising Sharpe's "Monograph
more Commodious Premises at the above Address, and has thus secured of Alordinida" Shelley's "Monograph of Nectarinidæ." Latham's greatly increased facilities for the execution of Orderx. General Synopsis of Birds." Levaillant's "Histoire Naturelle des
A Large Assortment of Hammers of New Pattern, for all classes of Perroquets," De Souauce's "Iconographie des Perroquets,". Gould's
Mammals of Australia,"" " Birds of Asia," "Monograph of Trochi. Rock-collectors, has just been added ro Stock, also a fresh Series of Microfidze, *** Monograph of Rhamphastidæ, " Gould's and Sharpe's ** Birds sections illustrative of Teall's “ British Petrography." of New Guinea, Sowerby's English Botany" edited by J. T. B. SYME, Reeve's "Conchologia Iconica," Vols. I. to X., and many other Important Illustrated Works.
MINERALOGY AND GEOLOGY,
LECTURERS, AND MUSEUMS.
EVERY REQUISITE FOR PRACTICAL WORK, CABINETS.
CASES, APPARATUS OF ALL KINDS.
The Largest Stock in England of Rocks, Rock-Sections, MR. J. C. STEVENS will Sell by Auction
Minerals, Fossils. at has Great Rooms, 38 King Street, Covent Garden, on TUESDAY and WEDNESDAY, APRIL 22 and 2), at half past 12 precisely each
Now Catalogues and Lists now ready, Free, of day, the above-named Valuable and Well-known Collection, made with great care, and in which the Specimens are all Authentic, and mostly JAMES R. GREGORY, Labelled, and in the finest condition, and is remarkably rich in VARIE. TIES and LOCAL FORMS, and comprises Fine Series of Chryso 88 CHARLOTTE STREET, FITZROY SQUARE, LONDON. phanus dispar. Noctua subrosea, and many other Rare and Extinct Species, Valuable Hermaphrodites. Scoparia, and Pterophori. The excellent Cabinets in which the Collection is contained will be included J. T. CROCKETT,
in the Sale. On View the Day prior, 10 to 5, and Morning of Sale, and Catalogues Store and Boomboxes, fitted with Camphur-cells : Setting Boards, vel
or Maker of every description ; . The Crambidze and Tortrices are not offered on the present occasion, but Flat, &c. Cabinets of every description kept in stock. SPECIAL INSECT will be sold early in MAY, Date of which will be announced in next CABINETS, with Drawers fitted with Glass Tops and Bottoms to show Advertisement.
upper and under side without removing insect. Store-boxes specially made for Continental Setting, highly recommended for Beetles. All best work.
Lowest possible terms for cash, Prices on Application, Estimates supplied. MINERALOGY.
Trade supplied. Established since 1847.
Show Rooms-7A Prince's Street, Cavendish Square, W. (7 doors from
Oxford Circus). Factories-34 Ridinghouse Street, and Ogle Street, W. SAMUEL HENSON,
Excellent Copies of the actual, natural Handwriting, also 97 REGENT STREET, LONDON, W.
of Drawings, Music, even of elaborate Sketches, ProESTABLISHED 1840.
Late 277 STRAND. grammes, Plans (up to Double-Elephant size), Shorthand, and A Large Collection of Beautiful Mineral Specimens, including a VERY
Type-Writing, are easily, quickly, and cheaply produced by the FINE GROUP OF SENARMONTITE CRYSTALS, VERY BRILLIANT MANGANITES, WULFENITES. VAVADÍMITES, HARMATOME, from Oberstein and Scotland : NATROLITES, Auvergne ; CHILDRENITES, ARAGONITES, and MELANCPHLOGITE. FOSSILS, ROCKS, ROCK SECTIONS, HAMMERS, CHISELS, and BLOWPIPE APPARATUS.
Very fluid ink, used with ordinary pen and paper. Auto-Circulars
resemble written letters. Used at the House of Lords, &c. Precious Stones for Collectors and Mounting. COLLECTIONS FOR STUDENTS AND PROSPECTORS.
AUTOCOPYIST DEPT. (A.E.T.Co., Ld.), Lessons given.
London Wall, London, and 52 Princess Street, Manchester. BRYCE-WRIGHT'S MUSEUM,
THIS 26 SAVILE ROW, LONDON, W.
MEDICINE (OFF REGENT STREET), Contains Minerals, Precious Stones, Stone Implements (Palæo. Is unequalled in the Cure of all Disorders of the LIVER, lithic and Neolithic); also New Zealand Jade Meres, Tikis, and STOMACH, KIDNEYS AND BOWELS. A Great PURI. other Savage Weapons, Bronze Implements ; Works of Art in FIER of the BLOOD; & Powerful Invigorator of the Jade, Rock Crystal, &c.; Vases and Table-Tops in Stone ; Arms and Arniour, and other Specimens of Natural History, all
System, it suffering from WEAKNESS AND DEBILITY, of which are
and is unequalled in Complaints incidental to Females. FOR SALE AT THE LOWEST PRICES.
CALVER'S well-known TELESCOPES received the Highest Award for On parle français.
Man spricht Deutsche. “Excellence and Improvements" at the International Exhibition, London.
Catalogues and Testimonials, 1s.-G. CALVER, F.R.A.S., Widford, GEOLOGICAL COLLECTIONS. Chelmsford. Comprising Fossils, Minerals, and Rocks, labelled with Name, Locality WEAK AND DEFECTIVE SIGHT.and Geological Poation, in Mahogany Cabinets. 100 Specimens, 255. ; mo ditta, 50s. The best value obtainable
SPECTACLES scientifically adapted to remedy impaired vision by Micro-sections of Racks in great variety. Cabinets, Glass-topped Boxes,
Mr. ACKLAND. Surgeon, daily, at HORNE AND THORNTHWAITE's, and other Geological Requisites.
Opticians to the Quren. 416 Strand, London. The weak-sighted should
read Ackland's "Hints on Spectacles," 6d., post free. THOMAS D. RUSSELL,
MODELS, &c.--MOORE BROS., 49 Hardman Street, Liverpool.
78 NEWGATE STREET, LONDON, E.C.
WILLIAM WESLEY AND SON,
KING, MENDHAM, & Co.
OIL ENGINE Scientific Booksellers and publisbers, 28 ESSEX STREET, STRAND, LONDON. (PRIESTMAN'S & HUME'S PATENTS). Just Published, Price 3d.
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1 A Classified Catalogue of New and SECOND-HAND WORKS in USES COMMON MINERAL OILS ONLY. ASTRONOMY,
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| Royal Agricultural Society's Silver Medal at Nottingham, 1888, 1
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SUITABLE FOR ANY DRIVING PURPOSES.
Fullest Particulars on application to W. WESLEY & SON, 28 Essex Street, Strand, London,
PRIESTMAN BROS., LTD., A SEARCH FOR KNOWLEDGE,
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Electrical Engineers “It is so fresh, original, and suggestive, that one luxuriates in it, as in some invigorating mental bath."- Mr. R. M. JOHNSTON, of Tasmania. "A colossal and truly magnificent thesis" – Mr. David Blair in the
Manufacturing Electricians. Melbourne Argres.
SPECIALTIES.-K.M.B. Patent Pocket Gel MELVILLE, MULLEN, & SLADE, Collins Street, Melbourne.
vanometer. Price, Post free, 125. : Car London : 12 Ludgate Square.
18, 6d. extra. Testing Instruments, Primary Bas
teries, Wimshurst Machines of Improved Patten DIGEST OF MR. HERBERT SPENCER'S WORKS.
Western Electrical Works, Bristol Just Published, 8vo, Cloth, Price 155.
New ILLUSTRATED CATALOGUE, POST FEEZ, 414 AN EPITOME OF THE SYNTHETIC
Specially compiled List of Eletris
Publications, post free, ad
Mathematical Instrument Manufacturer to H.M. Government, Council
India, Science and Art Department, Admiralty, &c. BLOXAM'S CHEMISTRY, Inorganic and
Mathomatical, Drawing, and surveying Instruments ORGANIC. Edited by JOHN MILLAR THOMSON, Professor of
of overy Description, Chemistry in King's College, London, and ARTHUR G. BLOXAM, Demonstrator of Chemistry in the Royal Agricultural College, Ciren
Of the Highest Quality and Finish, at the most Moderabe Prices cester.
Illustrated Price List Post Free. London: J. & A. CHURCHILL, 11 New Burlington Street.
W. F. S. obtained the only Medal in the Great Exhibition of 1868 for Excellence of Construction of Mathematical Instruments, and the caly GOLD MEDAL in the International Inventions Exhibition 1885 for Meibo
matical Work. Silver Medal, Architects' Exhibition, 1886. MAKERS OF
Address -GREAT TURNSTILE, HOLBORN, LONDON, W.C
MADE WITH BOILING WATER,
JOHN J. GRIFFIN & SONS, LIMITED, CHEMICAL, PHILOSOPHICAL, AND
22 GARRICK STREET, COVENT GARDEN,
LONDON CHEMICAL APPARATUS of every description for Analytical Operations and Experiments of Demonstration.
APPARATUS, DIAGRAMS, and MODELS for Lectures on Mecha. nics, Hydrostatics, Acoustics, Light, Heat, Electricity, and other Branches of Physical Science.
SEND FOR CATALOGUES, FREE ON APPLICATION.
MADE WITH BOILING MILK.
THE NEW PATENT
NOW MADE IN FLAT WATCH SIZE.
Amongst several unsolicited Testimcnials the two
ROBT. J. ELLERY.
October 10, 1888.
THE OBSERVATORY, MELBOURNE, DEAR Sır, -The Watkin Aneroid only reached me following have been received by the maker :three weeks ago. I am very much pleased with it, and
EDINBURGH, May 31, 1889,
DEAR SIR, I have just returned from a six weeks'
Observer, Scott. Met. Soc.
MAKER: J. J. HICKS, 8, 9, & 10 Hatton Carden, London,
Yeh warned of all planı.