XViil NATURE 
[January 20, 1923 

UNIVERSITY OF LONDON. 
NOTICE IS HEREBY GIVEN that the Senate will proceed to elect 
EXTERNAL EXAMINERS for the Examinations above Matriculation 
as follows. Except when otherwise stated, Exaininers will act in all Ex- 
aminations in which the subject is included. Where Examiners are to be 
appointed for (2) Intermediate Examinations only and (4) Final and Higher 
Examinations only, the fact is indicated after the name of the subject 
below : in these cases the same Examiner cannot hold both appointments. 
FOR THE SESSION 1923-24. 
EXAMINATIONS OTHER THAN MEDICAL. 
Anatomy. 
Botany (Final and Higher, two; 
Intermediate, two). 
British Constitution, 
Chemistry (Final and Higher, one; 
Intermediate, two). 
Common Law. 
Economics (Final one;  Inter- 
mediate, two). 
Education. 
English Constitutional Law (two). 
English (Final, one). 
Equity. 
French (Final, one; Intermediate, 
4 two), 
eography. 
ese. : 
German. 
Greek (Final, one; 
two), 
Intermediate, 
Hindu Law, 
History (Final, one), 
History and Principles of Taxation 
and Tithes, 
Indian Evidence Act. 
Jurisprudence and History of 
Roman Law. 
Latin (Intermediate, two). 
Mahommedan Law. 
Mathematics (Final, one; 
mediate, four). 
Music. 
Philosophy (two). 
Physics (Final, two; Intermediate, 
one). 
Physiology. 
Public Administration and Finance, 
Sociology. 
Veterinary Physiology. 
Inter- 
FOR THE SECOND EXAMINATION FOR MEDICAL DEGREES 
FOR THE SESSION 1923-24. 
Anatomy (two). 
Physiology. 
HIGHER EXAMINATIONS FOR MEDICAL DEGREES 
FOR THE SESSION 1923-24. 
Bacteriology. 
Forensic Medicine and Hygiene (two). 
Pathology. 
State Medicine. 
V.B.—Attention is drawn to the provision of Statute 124, whereby the 
Senate is required, if practicable, to appoint at least one Examiner who is 
not a Teacher of the University. 
Application Form (or-Forms if more than one Examinership is applied 
for) and particulars of the remuneration and duties can be obtained from the 
EXTERNAL REGISTRAR. 
Candidates must send in their names to the External Registrar, Geo, F, 
Goopcuut.p, M.A., B.Sc., with any attestation of their qualifications they 
may think desirable, on or before Monday, January 29, 1923, in respect of 
Examinerships other than Medical subjects; and on or before Saturday, 
February 10, 1923, in respect of Medical Examinerships. (Envelopes should 
be marked ‘ Examinership.”) 
The Senate desire that no application of any kind be made to individual 
members. 
If testimonials are submitted, one copy only of each is required. 
In no 
case should original testimonials be submitted. If more than one Examiner- 
ship is applied for, a separate application, complete with copy of testimonial, 
must be forwarded in respect of each Examinership. The appointments in 
Engineering will be made by the Senate towards the end of February ; 
those in Medicine towards the end of May; and the remainder towards the 
end of March. 
Applicants who desire that the result should be communi- 
cated to them are requested to enclose a stamped and addressed envelope 
with their applications. 
University of London, 
South Kensington, S.W.7, 
January 1923. 
E. 6. PERRY, Principal Officer. 

UNIVERSITY OF LONDON. 
A Course of ten Lectures on ““THEeE Micro-OrGANIC PoruLaTION oF 
THE SoIL” will be given by Sin JOHN RUSSELL, F.R.S. (Director) and 
STAFF OF THE ROTHAMSYVED EXPERIMENTAL STATION in 
the Lecture Theatre of the Botanical Department at UNIVERSITY COLLEGE, 
Lonwon (Gower Street, W.C.1), on Frenkuary 5, 7, 12, t4, 19, 21, and 27, 
and Marcu 1, 5, and 7, 1923, at 5 p.m. At the first Lecture, the Chair will 
be taken by Professor J. Bb. Farmer, F.R.S, ADMISSION FREE, 
WITHOUT TICKET. A Syllabus of the Lectures is obtainable on 
application to the undersigned. 2 : , , 
EDWIN DELLER, Academic Registrar. 

UNIVERSITY OF LONDON. 
A Course of eight Lectures in Physiology on ‘‘ THe PHYSIOLOGY OF THE 
Cortex AS INVESTIGATED BY THE METHOD OF CONDITIONED REFLEXES,” 
will be given by Dr. G. ANREP, M.D., at Universiry CoLLEGE, LoNpon 
(Gower Street, W.C.1), on Fripays, January 26, February 2, 9, 16, 23, and 
March 2, 9, and 16, at 5 p.m. ADMISSION FREE, WITHOUT 
TICKET. — Syllabus obtainable on application to the undersigned. 
EDWIN DELLER, Academic Registrar. 
SS 
LEICESTER MUSEUM, 
ASSISTANT required with knowledge of Palzontology and Inverte- 
brate Zoology. Museum experience desirable. Commencing salary £250 
perannum. Applications accompanied by copies of three recent testimonials 
to be delivered on or before February 25, addressed to the Direcror, The 
Museum, New Walk, Leicester. 


CHELSEA POLYTECHNIC, 
CHELSEA, $.W.3. 
Day and Evening Courses in Science under Recognised Teachers 
of London University. 
» INDUSTRIAL CHEMISTRY DEPARTMENT. 
Technical Courses in Analytical and Manufacturing Chemistry, 
Pharmacy, Food and Drugs, A.I.C. Courses, Metallurgy, Assaying, 
Foundry Work, Research. 
Il. INDUSTRIAL PHYSICS DEPARTMENT. d 
Practical work in General Physics, Applications to Industri 
Metrology, Calorimetry, Illumination, Acoustics, Electri 
Measurement, Research. 
Ill. BIOLOGICAL AND GEOLOGICAL DEPARTMENT. 
Courses for B.Sc., etc., in Botany, Geology, Mineralogy, Zoology, 
Special Courses in Bio-chemistry, Bio-physics, Bacteriology, 
Physiology, Hygiene, Entomology, Plant Pathology. Course for 
Tropical Planters, Research. 
Lent Term began on January 9, 1923. 
SIDNEY SKINNER, M.A. 
Principal, 
Telephone: Kensington 89. 

ROYAL INSTITUTION OF CREAT BRITAIN, 
21 ALBEMARLE STREET, W.1. 
GENERAL COURSES OF LECTURES BEFORE 
EASTER 1923. 
AT THREE O'CLOCK AFTERNOON. 
Professor F. G. Donnan, F.R.S. Two Lectures on ‘‘ Semi-Permeable 
Membranes and Colloid Chemistry.” On Tuesdays, January 16, 23. 
Mr. R. D. OvpHam, F.R.S. ‘wo Lectures on **‘ The Character and 
Cause of Earthquakes.” On Tuesdays, January 30, February 6. : 
Professor A. C, Pearson, Two Lectures on ‘Greek Civilization and 
To-day." On Tuesday, February 13, Wednesday, February 21. 
Sir ArTHUR Suipcey, F.R.S. Two Lectures on “ Life and its Rhythms.” 
On Tuesdays, February 27, March 6. 
Professor CHARLES G. SELIGMAN, F.R.S. .Two Lectures on ‘ Rain- 
makers and Divine Kings of the Nile Valley." On Tuesdays, March 13, 20. 
The Hon. Jonn W. Fortescue. Two Lectures on 1. ‘*The British 
Soldier and the Regimental Officer at the Close of the Napoleonic War,” 
2. ““The Campaigns of the British Army, 1815-1838." _On Thursdays, 
January 18, 25. 
Professor {I. M. Heiipron, F.C.S. Two Lectures on “The Photo- 
synthesis of Plant Products.’’ On Thursdays, February 1, 8. 
Professor B. MEtViILL JoNEs. Two Lectuies on ‘* Recent Experiments 
in Aerial Surveying.”” On Thursdays, February 15, 22. 
Mr. THEopoRE Stevens, Two Lectures on ‘‘ Water Power of the 
Empire.” On Thursdays, March 1, 8. 
Lieut.-Colonel E. F. Srrance, C.B.E. 
and Chinese Lacquer.” On Thursdays, March ts, 22. 
Sir WaALForp Davies. Two Lectures on ‘Speech Rhythm in Vocal 
Music.” On Saturdays, January 20, 27. 
Mr. J.C. Squire. Two Lectures on *‘ Subject in Poetry.” 
February 3, 109. 
Sir Ernest RuTuerrorn, F.R.S., Prof. of Natural Philosophy, Six 
Lectures on ‘‘Atomic Projectiles and their Properties." On Saturdays, 
February 17, 24, March 3, 10, 17, 24. ‘ 4 
Subscription (Non-Members) to all Courses of Lectures (excepting the 
Friday Evening Discourses and the Juvenile Lectures), Four Guineas, 
Subscription to a Single Course, ‘Two Guineas or One Guinea. 
The Friday meetings will begin on January 19, at 9 ».M., when Professor 
Sir James Dewar will give a Discourse on ‘Soap Films as Detectors of 
Stream Lines; Vortex Motion; and Sound.” Succeeding Discourses will 
probably be given by Sir ALMrotH WriGHT, Sir Jonn Russewt, Sir 
Ernest RuTHERFORD, Professors A. V. Hitt, A. 5. Eppincton, Mr. 
C. F. Cross, Mr. G, C. Simpson, Dr. M. R. Jams, and other gentlemen, 
Information as to Membership and other matters connected with the 
Institution can be had at the Secretarial Office, No. 21 Albemarle St., W.1. 
On Saturdays, 

BATTERSEA POLYTECHNIC, 
LONDON, S.W.11. 
Principal—RoBERT H. Pickarp, D.Sc., F.R.S. 
Head of Chemical Department—J. KENYON, D,Sc., F.1.C. 
Day and Evening Courses in Pure Chemistry (Inorganic and Organic) in 
preparation for University Degrees and A.I.C. and other professional exam- 
inations, , 
Special Technological Courses in Chemical Engineering, Oils, Fats and 
Waxes, Mineral Oils and Waxes, Toilet Soaps Manufacture, Lubricating 
Oils and Greases, Paper Making and Paper Testing, Paper Making (Engin- 
eering), Commercial Paper Work, Applied Bacteriology, Testing of Disinfec- 
tants, Analysis of Foods, Waters, Fertilisers and Feeding Stufis, Microscopy 
of Food and Drugs, Flour Milling, ete. 
The instruction is both theoretical and practical, fully equipped labora- 
tories being provided. 
Two Lectures on “ Japanese_ 
