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A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE

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

No. 1836, VOL. 71) THURSDAY, JANUARY 5, 1905.
Registered as a Newspaper at the General Post Office.)

[PRICE 15 CENTS.

(All Rights are Reserved.

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VERLAG VON CUSTAV FISCHER IN JENA.

SOEBEN ERSCHIENEN :
Biochemie der Pflanzen. Yon, Drie phil., t. 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, Professor d. Botanik
a. d. Univ. Freiburg i. Br. Erster Band. Specieller Teil. Mit
3 farbigen und 473 schwarzen Textabbildungen. Preis: 20 Mark.

von EDUARD STRAS

BURGER, O. Ö. 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 :

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Streifzüge an der Riviera

Vorträge über Descendenztheorie, Echalten van der

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

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

Univ. Freiburg i. B. Von Prof. AUGUST WEISMANN. Mit 3 farbigen Tafeln und 131 Textfiguren. Preis: 10 Mark, geb. 12 Mark.

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THE NEW

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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.
Mathematics
SJ. L. S. HATTON, M.A., and
Chemistry

(J. E. MACKENZIE, Ph.D., D. W. F. S. CHURCHILL, M.A.

(H. WREN, Ph.D., BA, B.Sc Chemistry J. T. HEWITT, D.Sc., and

ALBERT GRIITITAS, D.Sc.
C. SMITH, D.Sc.
Physics ...

D. Owex, B.A., B.Sc.

B. W. CLACK, B.Sc. Mechanical Engineering... {J. A.

Mathematics

E. H. SMART, M.A.
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. Physics R. A. LEHFELDT, D.Sc., and

( F. E. FRITSCH, Ph.D., B.Sc. W. H. WHITE, B.A., B.Sc. Zoology..

H. W. UNTHANK, B.A.B.Sc Botany V. H. BLACKMAN, M.A.

Geology & Mineralogy Geo. F. HARRIS, F.G.S.

Assaying, Metallurgy & Mining. Geo. PATCHIK, 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 labaratoris 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 Geometry, SCHOLARSHIPS of the value of £40 per annum will be awarded by the Building and Machine Construction, Steam, Theoretical and Applier Drapers' Company in June next.

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

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

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SOUTH-WESTERN POLYTECHNIC, CITY OF LONDON

CITY OF LONDON COLLEGE .

WHITE ST., MOORFIELDS, E.C.

(Near Moorgate and Liverpool Street Statione.) PRINCIPAL: SIDNEY HUMPHRIES, B.A., LL.B. (Cantab. I

At the ,

Manresa Road, Chelsea, s.W., Day College Courses of thirty hours per week are conducted in preparation for the London University Degrees of B.Sc. in Mechanical and Electrical Engineering, in Chemistry, Physics and the Natural Sciences. The composition fee for the Session of three terms, 1904-1905, is £15. These Courses are recog; nised for "Internal Students of the University, and consist of lecture and laboratory instruction. TheCourses are conducted by :MECHANICAL ENGINEERING, W. W. F. Pullen and L. D. Coueslant: ELECTRICAL ENGINEERING, A. J. Makower; CHEMISTRY, J. B. Coleman, J. C. Crocker, and F. H. Lowe; MATHEMATICS and PHYSICS, S. Skinner, W. H. Eccles, J. Lister and L. Lownds; BOTANY, H. B. Lacey and T. G. Hill; GEO. LOGY, A. J. Maslen. In the evenings similar Courses will be con. ducted, but at £2 per Session. Also TECHNICAL DAY COURSES of three years' duration are arranged as a preparation for the Engineering, Electrical and Chemical and Metallurgical professions. The Laboratories and Workshop are open for RESEARCH under the direction of the Principal and the Heads of Departments.

Further particulars may be obtained on application to the SECRETARY, who will send either the Day College Prospectus and Calendar or the Evening Class Prospectus for 31d. The Prospectus may be had at the Office for id.

EVENING CLASSES in ALL BRANCHES of SCIENCE

Well-equipped LABORATORIES for Practical Work in CHEMISTRY, BIOLOGY, BOTANY, GEOLOGY, and all branches of PHYSICS.

Special Courses for London University Matric., Inier., and Final RA..
B.Sc., Conjoint Board, Pharmaceutical and other examinations. Classes
are also held in all Commercial Subjects, in Languages, Literature and An
All Classes are open to both sexes.

SATURDAY COURSES for Matric., Inter., and Final B.A., B.Sc
DAY COMMERCIAL SCHOOL.
Prospectuses, and all other information, gratis on application.

DAVID SAVAGE, Secretary
BACTERIOLOGY and PATHOLOGY.

DIPLOMA IN PUBLIC HEALTH. KING'S COLLEGE, LONDON

(UNIVERSITY OF LONDON.) Director-R. T. HEWLETT, M.D., Professor of Bacteriology.

Demonstrator of Bacteriology-H. S. WILLSON, M.B.

Demonstrator of Pub'ic Heal h--D. SOMMERVILLE, M.D. The Laboratories are open daily for instruction and research in Bacteriology, Pathology and Pablic Health.

Special Courses in Bacteriology and Chemical Bacteriology for Chemists and Analysts.

An Evening Class in Bacteriology commences Monday, January 9, a 6.30 p.m.

For Syllabus, &c., apply to the SECRETARY or to Prof. HEWLETT.

THE SIR JOHN CASS TECHNICAL

INSTITUTE,
JEWRY STREET, ALDGATE, E.C.
Evening Classes in Chemistry, Metallurgy, Physics
and Mathematics designed to meet ibe requirements of those
engaged in Chemical, Metallurgical and Electrical
Industries and in trades associated therewith.

Special Cources during the Lent Term :-
GAS ANALYSIS

CHARLES A. KOHN, M.Sc., Ph.D., F.I.C.
METALLOGRAPHY C. O. BANNISTER, Assoc. R.S.M.

Full curriculum for B.Sc. Examination of London
University in Experimental Science under recognised
Teachers of the University.

GLASS BLOWING.
Two Courses of Instruction will be given during the Term by Mr. A. C.
Cossor.

NEW TERM begins MONDAY, JANUARY 9, 1905.
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 letter to the PRINCIPAL.

W. H. DAVISON, M.A., Clerk to the Governing Body.

Fee £3 35.

BEDFORD COLLEGE FOR WOMEN.

(UNIVERSITY OF LONDON.)

YORK PLACE, BAKER STREET, W. The TERM begins on THURSDAY, JANUARY 19, 1905,

The College provides instruction for Students preparing for the Uni. versity of London Degrees in Arts, Science, and Preliminary Medicine, also instruction in subjects of General Education.

There is a Hygiene Department and an Art School.
Students can reside in the College.
Particulars on application to the PRINCIPAL.

Two Entrance Scholarships, each one tenable for three years at Bedford
College for Women, will be offered for competition in June, 1905.
DEPARTMENT FOR PROFESSIONAL TRAINING IN

TEACHING
Students are admitted to the Training Course in October and January.

The Course includes full preparation for the examinations for the Teaching Diplomas granted by the Universities of London and Cambridge, held annually in December,

THE LONDON SCHOOL OF TROPICAL

MEDICINE. (UNDER THE AUSPICES OF His MAJESTY'S GOVERNMENT )

CONNAUGHT ROAD, ALBERT DOCK, E.
(IN CONNECTION WITH THE HOSPITALS OF THE SEAMEN'S

HOSPITAL SOCIETY.)
The next SESSION commences on MONDAY, JANUARY 11905

For Prospectus, Syllabus, and other particulars, apply to the Secretar
P. MICHELLI, Esq., Seamen's Hospital, Greenwich, S.E.

B.A. AND B.Sc. EXAMS.

MATRICULATION, INTERMEDIATE, FINAL. PREPARATION by CORRESPONDENCE and OR AL TUITION

a THOROUGHLY INDIVIDUAL SYSTEM, Fecs based on The STAFF includes Graduates of Oxford, Cambridge, London, and Royal Universities, Science Medallists, Prizemen, Scholars, &c.

SINGLE SUBJECTS TAKEN: Science, Mathematics, Logu Psychology, Political Economy. Latin, Greek, French, German, &c.

For terms, &c., address Mr. J. CHARLESTON, B.A. (Lond. and Oxon. Burlington Correspondence College, Clapbam Common, s. w

For other Scholastic Advertisements, see pages xcv and xcvi.

on
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.

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AN EXAMPLE OF WHAT THE SYSTEM ACCOMPLISHES :A Firm engaged in extraction of Nitrates,

One hundred 4 oz. bottles are arranged in one Phosphate mining and separation of various other mineral products has a vacancy for a PRACTICAL ANALYTICAL CHEMIST to Sytam Bottle-Element occupying less than superintend their chemical operations. Salary, 620 a month, with a 1 sq. ft. of wall space, each bottle is instantly suitable house and Laboratory, at Luxor, Egypt. Applications, with qualifications, must be made before January 15 to H. J. Monson, located, removed or replaced, and any size from 6 Stonefield Avenue, Lincoln.

} oz. to a Winchester can be accommodated in

one and the same element. For other Scholastic Advertisements, see pages sciv and xcv.

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SCIENTIFIC LIBRARY.

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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