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A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE

To the solid ground
Of Nature frusts the mind which builds for aye."—WORDSWORTH.

No. 1836, VOL. 71)

THURSDAY, JANUARY 5, 1905.

[PRICE 15 CENTS.

(All Rights are Reserved.

Registered as a Newspaper at the General Post Office.)

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VERLAG VON CUSTAV FISCHER IN JENA.

SOEBEN ERSCHIENEN :
Biochemie der Pflanzen. Yon Prie phil., et med

FRIEDR. CZAPEK,
Professor der Botanik in Prag. Erster Band. Preis: 14 Mark.
Leuchtende Pflanzen. Eine physiologische Studie von

Prof. Dr. HANS MOLISCH, Direktor des pflanzenphysiologischen Institutes der k. k. deutschen Universität Prag. Mit 2 Tafeln und 14 Textfiguren. 1904

Preis: 6 Mark.
Morphologie und Biologie der Algen.

Von Dr. FRIEDRICH OLTMANNS, Prosessor d. Botanik
a. d. Univ. Freiburg 1. Br. Erster Band. Specieller Teil. Mit

3 farbigen und 473 schwarzen Textabbildungen. Preis: 20 Mark. Streifzüge an der Riviera von EDUARD STRAS

BURGER, 0. 0. Professor der Botanik an der Universität Bonn. Illustriert von LOUISE REUSCH. Zweite, gänzlich umgearbeitete Auflage. 1904. Preis: brosch. 10 Mark, elegant geb. 12 Mark.

Soeben erschien die zweite verbesserte Auflage von: Vorträge über Descendenztheorie, gehalten an der

Univ. Freiburg i. B. Von Prof. AUGUST WEISMANN. Mit 3 farbigen Tafeln und 131 Textfiguren Preis: 1o Mark, geb. 12 Mark.

The above Lantern has a clear base board and is fitted with

s-in. Condensers. NEWTON & CO., 3 FLEET ST., LONDON.

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EAST LONDON TECHNICAL BIRKBECK COLLEGE. COLLEGE,

BREAMS BUILDINGS, CHANCERY LANE, F.C.
MILE END ROAD, E.

FACULTY OF SCIENCE.
New Term Commences JANUARY 9, 1905.

DAY AND EVENING COURSES.
SJ. L. S. Hatton, M.A., and
Mathematics

SJ. E. MACKENZIE, Ph.D., D.S
Chemistry
1 W. F. S. CHURCHILL, M.A.

TH. WREN, Ph.D., BA, B.Sc.

(ALBERT GRIFFITHS. D.Sc. J. T. Hewitt, D.Sc., and Chemistry

Physics ...

D. OWEN, B.A., B.Sc.
C. SMITH, D.Sc.

(B. W. CLACK, B.Sc.
Mechanical Engineering...
D. A. Low, M.I.M.E., and J. A.

E. H. SMART, M.A.
Mathematics
DAVENPORT, B.Sc., Vict.

W. G. Birt, B.A, B.Sc
Electrical Engineering
J. T. MORRIS, A M.I.E.E.
Botany

A. B. RENDLE, M.A., D.Sc.

F. E. FRITSCH, Ph.D., B.SE Į R. A. LEHFELDT. D.Sc., and Physics W. H. White, B.A., B.Sc. Zoology.

H. W. UNTHANK, B.A., B.Sc.

Geo. F. HARRIS, F.G.S.
Botany

Geology & Mineralogy
V. H. BLACKMAN, M.A.

Assaying, Metallurgy & Mining. Geo. PATCHIN, A.R.S.M The DAY CLASSES for students over 16 years of age include full three years' technical courses in Chemistry and Engineering, and three years' RESEARCH in Chemistry and Physics in well-equipped laboratories courses for London University Degrees (Pass and Honours). EVENING CLASSES are held in Advanced Technical and Scientific

French, German, Spanish, Russian, Dutch, & Italian Classes. subjects, and for London University Degrees.

EVENING CLASSES also in Biology, Physiology, Practical Geomey. SCHOLARSHIPS of the value of £40 per agnum will be awarded by the

Building and Machine Construction, Steam, Theoretical and Appliec Drapers' Company in June next.

Mechanics, Land and Quantity Surveying, and Estimating.
CALENDAR with full particulars post free, 4d.

Calendar 6d. (post free 8d.), on application to the SECRETARY.
J. L. S. HATTON, Director of Studies.

...

...

CITY OF LONDON COLLEGE .

At the SOUTH-WESTERN POLYTECHNIC,

Manresa Road, Chelsea, S.W., Day College Courses of thirty hours WHITE ST., MOORFIELDS, E.C. per week are conducted in preparation for the London University Degrees of B.Sc. in Mechanical and Electrical Engineering, in Chemis

(Near Moorgate and Liverpool Street Stations.) try, Physics and the Natural Sciences. The composition fee for the Session of three terms, 1904-1905, is £15. These Courses are recog:

PRINCIPAL: SIDNEY HUMPHRIES, B.A., LL.B. (Cantab ) nised for " Internal Students of the University, and consist of lecture and laboratory instruction. TheCourses are conducted by :

EVENING CLASSES in ALL BRANCHES of SCIENCE MECHANICAL ENGINEERING, W. W. F. Pullen and L. D. Coueslant; ELECTRICAL ENGINEERING, A. J. Makower; Well-equipped LABORATORIES for Practical Work it CHEMISTRY, J. B. Coleman, J. C. Crocker, and F. H. Lowe; MATHEMATICS and PHYSICS, S. Skinner, W. H. Eccles, J. Lister

CHEMISTRY, BIOLOGY, BOTANY, GEOLOGY, and and L. Lownds; BOTANY, H. B. Lacey and T. G. Hill; GEO. all branches of PHYSICS. LOGY, A. J. Maslen. In the evenings similar Courses will be con. ducted, but at £2 per Session. Also TECHNICAL DAY COURSES Special Courses for London University Matric., Inier., and Final B A

Classes

B.Sc., Conjoint Board, Pharmaceutical and other examinations. of three years' duration are arranged as a preparation for the Engineering, Electrical and Chemical ard Metallurgical professions.

are also held in all Commercial Subjects, in Languages, Literature and Art The Laboratories and Workshop are open for RESEARCH under the

All Classes are open to both sexes. direction of the Principal and the Heads of Departments.

SATURDAY COURSES for Matric., Inter., and Final B.A, B.Sc

DAY COMMERCIAL SCHOOL. Further particulars may he obtained on application to the SECRETARY, who will send either the Day College Prospectus and Calendar or the

Prospectuses, and all other information, gratis on application. Evening Class Prospectus for 3}d. The Prospectus may be had at

DAVID SAVAGE, Seretary the Office for id.

BACTERIOLOGY and PATHOLOGY. THE SIR JOHN CASS TECHNICAL

DIPLOMA IN PUBLIC HEALTH.
INSTITUTE,

KING'S COLLEGE, LONDON.
JEWRY STREET, ALDGATE, E.C.

(UNIVERSITY OF LONDON.) Evening Classes in Chemistry, Metallurgy, Physics Director-R. T. HEWLETT, M.D., Professor of Bacteriology, and Mathematics designed to meet the requirements of those

Demonstrator of Bacteriology-H. S. Willson, M.B. engaged in Chemical, Metallurgical and Electrical

Demonstrator of Pub'ic Heal h-D. SOMMERVILLE, M.D. Industries and in trades associated there with.

The Laboratories are open daily for instruction and research in FalSpecial Courses during the Lent Term :

teriology, Pathology and Public Health. GAS ANALYSIS

CHARLES A. Kohn, M.Sc., Ph.D., F.I.C. Special Courses in Bacteriology and Chemical Bacteriology for Cbereits METALLOGRAPHY C. O. BANNISTER, Assoc. R.S.M.

and Analysts. Full curriculum for B.Sc. Examination of London An Evening Class in Bacteriology commences Monday, January 31 University in Experimental Science under recognised 6.30 p.m. Fee 63 38. Teachers of the University.

For Syllabus, &c., apply to the SECRETARY or to Prof. HEULETT. GLASS BLOWING, Two Courses of Instruction will be given during the Term by Mr. A. C. CossoR.

THE LONDON SCHOOL OF TROPICAL NEW TERM begins MONDAY, JANUARY 9: 1905.

MEDICINE. The Institute is readily accessible and near to Fenchurch Street, Liver. pool Street, Broad Street and Metropolitan Railway Stations.

For details of the Classes apply at the Office of the Institute, or by (UNDER THE AUSPICES OF His MAJESTY'S GOVERNMENT.) letter to the PRINCIPAL. W. H. DAVISON, M.A., Clerk to the Governing Body.

CONNAUGHT ROAD, ALBERT DOCK, E.

(IN CONNECTION WITH THE HOSPITALS OF THE SEAME's BEDFORD COLLEGE FOR WOMEN.

Hospital SOCIETY.) (UNIVERSITY OF LONDON.)

The next SESSION commences on MONDAY, JANUARY 16, 19€*

For Prospectus, Syllabus, and other particulars, apply to the Secrea. YORK PLACE, BAKER STREET, W.

P. MICHELLI, Esq., Seamen's Hospital, Greenwich, S.E. The TERM begins on THURSDAY, JANUARY 19, 1905.

The College provides instruction for Students preparing for the Uni- B.A. AND B.Sc. EXAMS. versity of London Degrees in Aris, Science, and Preliminary Medicine, also instruction in subjects of General Education.

MATRICULATIO., INTERMEDIATE, FIXAL. There is a Hygiene Department and an Art School. Students can reside in the College.

PREPARATION by CORRESPONDENCE and OR AL TUITION Particulars on application to the PRINCIPAL

on a THOROUGHLY INDIVIDUAL SYSTEM. Fees do Two Entrance Scholarships, each one tenable for three years at Bedford College for Women, will be offered for competition in June, 1905,

The STAFF includes Graduates of Oxford, Cambridge, London, 184

Royal Universities, Science Medallists, Priremen, Scholars, &c. DEPARTMENT FOR PROFESSIONAL TRAINING IN SINGLE SUBJECTS TAKEN: Science, Mathemat Lori TEACHING.

Psychology, Political Economy. Latin, Greek, French, German, &c. Students are admitted to the Training Course in October and January.

For terms, &c., address Mr. J. CHARLESTON, B.A. (Lond, and Oxon) The Course includes full preparation for the examinations for the Teaching Burlington Correspondence College, Clapham Common, S.W. Diplomas granted by the Universities of London and Cambridge, held

For other Scholastic Advertisements, see pares xcv «and xcvl.

success.

FOR WINTER-WORK

LONDON SCHOOL OF TROPICAL

MEDICINE, ROYAL ALBERT DOCK, LONDON, E. PROTOZOOLOGY.-The School is about to establish a special department for the study and teaching of this subject, and invites applications from gentlemen willing to serve as Teachers and to occupy themselves in research work. Car dates holding medical qualifications will be preferred.

The appointment will be for six years, and the pay will commence at 6250, rising by yearly increments of £50 to 6500 per annum. Luncheon and tea will be provided.

The Protozoologist will be expected to devote his whole time to the service of the School, and to be prepared to teach for one hour per diem in the aggregate if required.

Applications, stating age, together with copies of not more than three recent testimonials, to be sent in on or before January 2, 1905, to the undersigned, from whom further particulars may be obtained.

By order, December 14, 1904.

P. MICHELLI, Secretary.

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LONDON SCHOOL OF TROPICAL

MEDICINE, ROYAL ALBERT DOCK, LONDON, E. HELMINTHOLOGY.-The School is about to establish a special department for the study and teaching of this subject, and invites appli. cations from gentlemen willing to serve as Teachers and to occupy themselves in research work. Candidates holding medical qualifications will be preferred.

The appointment will be for six years, and the pay will commence at £250, rising by yearly increments of £50 10 £500 per annum. Luncheon and tea will be provided.

The Helminthologist will be expected to devote his whole time to the service of the School, and to be prepared to teach for one hour per diem in the aggregate if required.

Applications, stating age, together with copies of not more than three testimonials, to be sent in on or before January 2, 1905, to the undersigned, from whom further particulars may be obtained.

By order, December 14, 1904.

P. MICHELLI, Secretary. TO MATHEMATICAL AND SCIENCE

MASTERS.-Required (1) Master for Chemistry, Physics and Mathe. matics. Salary, £140. Grammar School. (2) Chemistry, Botany and Physics. £140. Technical Day School. (3) Chemistry and Physics. 4120. (4) Graduate for Chemistry and Physics. £130. County School. (5) Chemistry, Physics and Mathematics. £120. (6) Mathematics and Science."£130. London School. For particulars of the above and many other vacancies, address GRIFFITHS, SMITH, POWELL & SMITH, Tutorial Agents (Estd. over 70 years), 34 Bedford Street, Strand, London.

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THE GROCERS' COMPANY'S

SCHOLARSHIPS. For the purpose of encouraging original research in Sanitary Science, the Grocers' Company offer Two Scholarships, each of 6300 a year, with an allowance to meet the cost of apparatus and materials and for general expenses in connection with the work, tenable for two years, subject to the conditions of the scheme under which they are established.

Applications must be sent in before April 1 to the CLERK OF THE GROCERS' COMPANY, Grocers' Hall, London, E.C., from whom the necessary forms and further information may be obtained.

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CARNEGIE RESEARCH SCHOLARSHIPS. The Council of the Iron and Steel Institute will shortly proceed to award RESEARCH SCHOLARSHIPS founded by Mr. Andrew Carnegie. Candidates, who must be under 35 years of age, must apply before February 28 on special forms to be obtained from BENNETT H. BROUGH, Secretary, Iron and Steel Institute, 28 Victoria Street, London, S.W.

OLDBURY SECONDARY SCHOOL AND

PUPIL TEACHERS' CENTRE. The Governors require in January next, an ASSISTANT TEACHER, male or female, to teach ordinary Form subjects, and Science or Mathe matics. Salary, £100 per annum, non-resident.

Applications should be forwarded to the undersigned on or before January 16, 1905.

H. A. ANDERSON, Secretary. Secondary School, Oldbury. COUNTESS OF WARWICK'S

SECONDARY SCHOOL,

BIGODS HALL, DUNMOW. Wanted, before January 16, an INSTRUCTOR in wood and METAL WORK. Must be competent to take Geometry, Perspective, Model and Freehand Drawing, Euclid. Salary, 675 per annum, with Board, Residence and Laundry. Apply–T. HACKING, Headmaster.

For other Scholastic Advertisements, see pages xciv and xcvi.

EXCELLENT Photographs in Colour are obtained with our smaller lens filter Outfits, complete from 25/- ; but for general work, Landscapes in changing light, Portraiture or Photomicro. graphy where rapid exposures in succession are necessary, the Repeating Back with Colour Filters is recommended as the best all round appliance.

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SODEAU'S GAS ANALYSIS APPARATUS.

COUNTY BOROUGH OF SWANSEA.

EDUCATION COMMITTEE. Required a SUPERINTENDENT OF EDUCATION. Age limit, 30 to 50 years. Salary, 6350, rising by £10 anoual increments to £450.

Applicants to state experience in Elementary and Secondary Education.
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A. W. HALDEN, Clerk.
Education Offices, Swansea,
January 2, 1905.

NEW ZEALAND.
APPLICATIONS (to be delivered at the Agent-General's Office not
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AN EXAMPLE OF WHAT THE SYSTEM ACCOMPLISHES :A Firm engaged in extraction of Nitrates,

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LEWIS'S CIRCULATING

THE GEOGRAPHICAL JOURNAL.
MEDICAL AND

CONTENTS.- JANUARY.
The Present Problems of Geography. By Hugh Robert Mill, D.Sc.

LL.D.

Geography and Education. In addition to Medicine and the allied Sciences, the Library The Mountains of Turkestan. By Ellsworth Huntington (with six Illus. includes the subjects of Physics, Chemistry, Electricity, trations and Sketch-Map). Botany, Geology, Zoology, Astronomy, Psychology,

The Physical History of the Victoria Falls. By A. J. C. Molyneux,

F.G.S., F.R.G.S. (with nine Plates and Plan). Philosophy, Sociology, Engineering, Geography and

The Eighth International Geographical Congress. By Hugh Robert Travel,'&c.

Mill, D.Sc New Works and New EDITIONS on these subjects are Mr. R. L. Reid's Journeys in Portuguese East Africa (with Map).

Hydrography of the Andes. By Dr. J. W. Evans (with two Sketch-Maps added to the Library immediately on publication.

Hydrography of the Nile. By A. S. W.

The French Conquest of the Canaries in 1402-6, and the Authority for the SUBSCRIPTION, TOWN OR COUNTRY, FROM ONE CUINEA. Same. By C. Raymond Beazley, M.A.

Reviews.
Detailed Prospectus, List of Recent Additions, &c., post free Obituary :-Lord Northbrook. Dr. Emil Schlagintweit.

Meetings of the Royal Geographical Society, Session 1904-1905.
on application.

Geographical Literature of the Month. London: H. K. LEWIS, 136 GOWER STREET, W.C. New Maps. Maps.

Sketch-Map showing Ellsworth Huntington's Routes in Central Asia.

Plan of Victoria Falls.
SCIENTIFIC AND

Sketch-Maps of the River System of the Andes.
Sketch Map of Parts of the Gorongoza and Sheringoma Territories.

EDWARD STANFORD, 12, 13, 14 Long Acre, London, W.C.
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