CCXXXVIII1 
ROYAL INSTITUTION OF 
GREAT BRITAIN, 
ALBEMARLE STREET, PICCADILLY, W. 
Joun Atten Harker, Esq., D.Sc., F.R.S., will on Saturday next, 
February 14, at Three o'clock, begin a Course of Two Lectures on ‘THe 
Evecrric Emissivity or Matter.” (1) THE MetAts”; (2) “ OTHER 
Supstances.” Subscription to this Course, Half-a-Guinea ; to all the 
Courses in the Season, Two Guineas. 
UNIVERSITY OF LONDON. 
A Course of four Advanced Lectures on ‘‘ THe Turory oF Wave- 
MOTION, WITH SPECIAL REFERENCE TO EARTHQUAKE Waves,” will be 
given at the University, South Kensington, by Professor Horace Lams, 
F.R.S., at 5 p.m. on Feb, 20, 27, March 6 and 13. Admission free, without 
ticket. 
P. J. HARTOG, Academic Registrar. 
GRESHAM LECTURES. 
LENT TERM, 1914. 
Mr. ArtHuR R. Hinks, M.A., F.R.S., will deliver a Course of Four 
Lectures on ‘Tue Work or an Osservatory,” on February 17, 18, 19 
and 20, at 6 p.m. each evening, at Gresham College, Basinghall Street, E.C. 
The lectures are free to the public. 
GEOLOGICAL SOCIETY OF LONDON. 
The ANNIVERSARY MEETING of this Society will be held at the 
SOCIETY'S APARTMENTS, BURLINGTON HOUSE, on FRIDAY, 
February 20, at Three o'clock. 
* The Fellows and their Friends will DINE together inthe PRINCE'S 
HALL, HOTEL CECIL, at 6.30 p.m. Tickets to be obtained at the 
Society's Apartments. 
THE DAVY-FARADAY 
RESEARCH LABORATORY 
ROYAL INSTITUTION, 
No. 20 ALBEMARLE STREET, LONDON, W. 
DIRECTOR 
Professor Sir JAMES DEWAR, M.A., LL.D., 
D.Se., F.R.S. . 
This Laboratory was founded by the late Dr. Ludwig Mond, D.Sc., 
F.R.S., as a Memorial of Davy and Faraday, for the purpose of enabling 
properly qualified persons to conduct Chemical and Physical Research. 
Workers admitted are entitled to the use of the extensive chemical and 
physical apparatus belonging to the Labordtory. 
The Director may, subject to the approval of the Laboratory Committee, 
supply special chemicals, or authorise the Mechanician to construct special 
apparatus for individual investigators. 
MICHAELMAS TERM.—Monday, October 6, to Saturday, 
December 20, 
LENT TERM.—Monday, January 12, to Saturday, April 4. 
EASTER TERM.—Monday, April 27, to Saturday, July 25. 
Applications for admission to the Davy Faraday Research Laboratory to 
be addressed to the AssIsTANT SECRETARY, Royal Institution, No. 21 
Albemarle Street, London, W. 
INSTITUTE OF CHEMISTRY 
OF GREAT BRITAIN AND IRELAND. 
FounbED 1877. IncoRPORATED BY Royat CuarTER, 1885. 
The next Intermediate Examination will commence on Tuesday, March 
24. Final Examinations will commence on Monday, March 23. 
Forms of application and further particulars can be obtained from the 
REGISTRAR, Institute of Chemistry, 30 Bloomsbury Square, London, W.C. 
The regulations for the Admission of Students, Associates, and Fellows, 
Gratis. Examination Papers: Annual Sets, 6¢. each. 
““A List of Official Chemical Appointments,” ourth Edition. 2s. 
(post free, 25. 3d.). 
APPOINTMENTS REGISTER.—A Register of Fellows and Associates 
of the Institute of Chemistry who are seeking appointments is kept at the 
Offices of the Institute. Applications for the services of professional chemists 
should be forwarded to the Registrar. 
RESEARCH CHEMIST.—Required in a 
Chemical Research Laboratory in London, a chemist of thorough 
academic training, who has already had experience in_ conducting 
organic chemical research. Address, stating age, qualifications and 
salary expected to Box 2227, c/o Mr. T. Dixon, 195, Oxford Street, 
London, W. 
NATURE 
[FEBRUARY 12, 1914 
BIRKBECK COLLEGE, 
BREAMS BUILDINGS, CHANCERY LANE, E.C. 
Principal: G. Armitage-Smith, M.A., D.Lit. 
COURSES OF STUDY (Vay and Evening) for the Degrees of the 
UNIVERSITY OF LUNDON in the 
FACULTIES OF SCIENCE & ARTS 
(PASS AND HONOURS) 
under RECOGNISED TEACHERS of the University. 
SCIENCE.—Chemistry, Physics, Mathematics (Pure and 
Applied), Botany, Zoology, Geology and Mineralogy. 
ARTS.—Latin, Greek, English, Freneh, German, Italian, 
History, Geography, Logic, Economies, Mathematies (Pure 
and Applied). 
Evening Courses for the Degrees in Economics and Law. 
+ Day: Science, £17 10s.; Arts, £10 10s. 
SESSIONAL FEES { Evening: Science, Arts, or Kconomics, £5 5s. 
POST-GRADUATE AND RESEARCH WORK, 
Prospectuses post free, Calendar 3d. (by post sd.) from the Secretary. 
THE SIR JOHN CASS TECHNICAL INSTITUTE, 
Jewry Street, Aldgate, E.C. 
A Course of Lectures on 
THE INFLUENCE OF SURFACE TENSION , 
ON CHEMICAL PHENOMENA 
will be given by 
R. S. WILLOWS, M.A., D.Se., 
Head of the Department of Physics and Mathematics, 
on Wednesday evenings at 8 p.m., commencing Wednesday, 
February 25, 1914. 
The Course, which will comprise Five Lectures, will treat of 
the subject mainly from a theoretical standpoint, and the aim 
of the lectures will be to put students in a position to interpret 
results rather than to deal with experimental details. - 
A detailed Syllabus of the Course may be had at the office of 
the Institute, or by letter to the PRINCIPAL, 
SOUTH-WESTERN POLYTECHNIC INSTITUTE, CHELSEA, 
SPECIAL EVENING COURSES. 
Bacteriology and Fungus Culture—HuGH MacLean, D.Sc., Ch.B., 
M.D, ; Biochemistry—Hucu MacLean, D.Sc., Ch.B., M.D, ; Crystallo- 
graphy and Mineralogy—*A. J. MAsten, F.L.S., F.G.S.; Electricity and 
Magnetism—*L. Lownps, B.Sc., Ph.D. ; Foods and Drugs Analysis— 
H. B. Stevens, F.1.C., Ph.C., F.C.S,; Heredity and Evolution—*J. T. 
CunninGcHaM, M.A. ; Human Physiology—F. O'B, Extison, B.A., M.D. ; 
Metallography & Pyrometry—W. A. Naisu, A-R.S.M., A 1.M.M. ; Optics 
—*F. W, Jorpan, B.Sc., A-R.C.S. ; Organic Chemistry—*J. C. Crocker, 
M.A., D.Sc. ; Physical Chemistry—*J. C. Crocker, M.A. D.Sc. ; Plant 
Kcology—F. Cavers, D.Sc., F.L.S. ; Pure Mathematics, subsidiary sub- 
ject for B.Sc. Honours—*T. G. Strain, M.A.; Recent Researches in 
Biochemistry—HuGcu MacLean, D.Sc., Ch.B., M.D. ; Stratigraphical 
Geology with special reference to foreign areas—T. C. NicHoLas, B.A. 
(Camb.); Vector Analysis. Complex Quantities with applications to 
Physics—*J. Lisrer, A.R.C.S, : 
* Recognised Teachers of London University. 
Evening Courses commenced for the Session 1913-14 on Monday, Septem- 
ber 22, 1913, and the Day Courses on Monday, September 29, 1913. 
Further particulars on application to the SECRETARY. 
SIDNEY SKINNER, M.A., Principal. 
LIVERPOOL EDUCATION COMMITTEE. . 
CENTRAL MUNICIPAL TECHNICAL SCHOOL. 
The Education Committee are prepared to receive applications for the 
ea ae of the CENTRAL MUNICIPAL TECHNICAL 
‘The person appointed will be required to devote the whole of his time to 
the service of the Education Committee. 
The commencing salary has been fixed at the rate of 4500 per annum, 
The appointment is subject to the conditions of superannuation set out in 
part VII of the Liverpool Corporation Act, 1913, and to the production 
of an approved medical certificate, as required py the Standing Orders of 
the City Council. 
Particulais of the duties to be performed may be had on application to 
the Town Clerk, Municipal Offices, Dale Street, Liverpool. 
Applications, accompanied by so printed copies of not more than six 
recent testimonials, must be sent to the Town Clerk, endorsed ‘‘ Principal 
ot Central Technical School,” on or before February 27th, ror4. 
The canvassing of members of the Technical Kducauon Sub-Committee, 
the Education Committee, or the City Council, will be regarded as dis- 
qualifying the candidate. 
(Signed) EDWARD R. PICKMERE, 
Town Clerk and Clerk to the 
Local Education Authority. 
Telephone : 899 Western. 
January, 1914. 
