] WATURE 
[ FEBRUARY 17, 1923 

UNIVERSITY OF LONDON. 
A Course of three Lectures in Zoology (with lantern illustrations) on 
“THe Brionomics oF Marine Animats” will be given by Dr. J. H. 
ORTON, D.Sc. (of the Marine Biological Association, Plymouth), at 
Kinc’s CotieGr, Lonpon (Strand, W.C.2), on Tuespay, February 20, 
Tuurspay, February 22, and Frivay, February 23, 1923, at 5.15 P.M. At 
the first Lecture the Chair will be taken by Prof. AkTHuR Denny, F.R.S. 
(Professor of Zoology in the University), ADMISSION FREE, WITH- 
OUT TICKET. 
EDWIN DELLER, Academic Registrar. 

KEBLE COLLEGE, OXFORD. 
NATURAL SCIENCE SCHOLARSHIP, 1923. 
An Examination will be held in this College on March 13 for two 
SCIENCE SCHOLARSHIPS of the annual value of £80, with laboratory 
fees £20. 
Subjects: Chemistry o» Biology, with elementary Physics, and for 
Biologists elementary Chemistry as well. 
Intending candidates should apply to Dr. HatcHettT Jackson, the 
Science Tutor, for information. 

BATTERSEA POLYTECHNIC 
LONDON, S.W.11 
Award of Tate Scholarships for Session 1923-24. 
The examinations for the award of SCHOLARSHIPS in ENGINEER- 
ING, SCIENCE, and DOMESTIC SCIENCE, will be held on Tuesday, 
June 5, 1923, and the succeeding days. Thescholarships vary in value from 
%20 to £30 per annum with free tuition, and are tenable for two or three years. 
Last day of entry April 21, 1923. 
Full particulars on application to the PRINCIPAL. 

RESEARCH FELLOWSHIPS IN 
ACOUSTICS. 
Tue Riversank LABoraATories AT GENEVA, ILLINOIS, announce the 
establishment of one or two.RESEARCH FELLOWSHIPS in ACOUS- 
TICS. ‘The holder will have an opportunity to devote his entire time to 
study and investigation in a laboratory built, equipped, and manned for the 
study of acoustic problems. Candidates should be college graduates who 
have taken advanced courses in physics and mathematics, and who have 
shown in their work those qualities essential for success in independent 
investigation. ‘Terms of appointment to be determined by the qualifications 
of the appointee. Address, B. CumminG, Secretary, Geneva, Illinois. 

THERESA SEESSEL RESEARCH FELLOWSHIP 
To promote Original Research in Biological Studies. 
YALE UNIVERSITY. 
One FELLOWSHIP, yielding an income of $1500. Pre- 
ference is given to candidates who have already obtained their 
Doctorate, and have demonstrated by their work fitness to 
carry on successfully original research of a high order. The 
holder must reside in New Haven during the college year, 
October to June. Applications should be made to the DEAN 
of the GRADUATE SCHOOL, New Haven, Conn., before May 1, 
1923; they should be accompanied by reprints of scientific 
publications, letters of recommendation, and a statement of the 
particular problem which the candidate expects to investigate. 

NATIONAL UNION OF SCIENTIFIC 
WORKERS. 
THE AIM or THE NATIONAL UNION or SCIENTIFIC 
WORKERS is to bring together into one professional organisa- 
tion all qualified scientific workers, viz. : 
Those engaged (a) In Higher Educational and Research 
Institutions. 
(4) In Industry and Consultative Practice. 
(c) In State and Municipal Scientific De- 
partments. 
Applications for membership are invited from all scientific 
workers with university degree or equivalent professional quali- 
fication. Further particulars may be obtained from 
THE GENERAL SECRETARY, N.U.S.W., 
25 Victoria Street, S.W.1. 

CHELSEA POLYTECHNIC, 
CHELSEA, S.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. 
Practical work in General Physics, Applications to Industries, 
Metrology, Calorimetry, Illumination, Acoustics, Electrical 
Measurement, Research. 
lll. 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. 
SIDNEY SKINNER, M.A, 
Telephone: Kensington 899. Principal. | 

BATTERSEA POLYTECHNIC. 3 
LONDON, S.W.11. , 
Princi~al—RoBexrt H. PicKarp, D.Se., F.R.S, 
COURSES FOR WOMEN. 
Full-time day courses for women preparing to be teachers of Domestic 
Subjects. 
Preparation for posts as Institutional Matrons and Housekeepers and for 
colonial and home life. 
Full-time day courses of training for Women Health Visitors andInfant 
Welfare Workers. 
Evening courses of training for Sanitary Inspectors, Health Visitors, 
Meat and Food Inspectors, Smoke Inspectors, etc. 
Day and Evening courses in Art, Music, and Domestic Science. 
Hostels for Women Students. Large Athletic Ground and numerous 
clubs and societies. 

UNIVERSITY OF SYDNEY, 
NEW SOUTH WALES. 
PROFESSORSHIP OF PHYSICS. 
The Senate of the University of Sydney invites application for the 
CHAIR of PHYSICS, to which is attached a salary of £1100 per annum 
together with rights to a pension of £400 per annum on certain conditions. 
The Professor appointed will be expected to enter on his duties on August 1, 
1923; 4150 will be allowed for travelling expenses from Europe. 
Further details concerning the appointment may be obtained on written 
request to THe AGENT-GENERAL FOR New SouTH WALES, AUSTRALIA 
House, STRAND, Lonvon, W.C.2, to whom applications for the position, in 
sextuplicate, accompanied by copies of testimonials (if any), should be sent 
so as to reach him not later than Wednesday, FEBRUARY 28, 1923. There is 
no special form of application. All correspondence addressed to the Agent~ 
General in connection with the appointment should be marked on the outside 
of the envelope “‘ University of Sydney.” 
T. A. COGHLAN, 
London, January 30, 1923. Agent-General for New South Wales. 

DEPARTMENT OF SCIENTIFIC AND 
INDUSTRIAL RESEARCH. 
A JUNIOR ASSISTANT CHEMIST is required for the Fuel Research 
Station, East Greenwich, S.E.10. 
Candidates must be honours graduates in Chemistry. 
Scale of salary £160—10—£220 per annum plus bonus at the usual Civil 
Service rates; commencing pay at rates now in force £264:11s., but the 
rate will be revised on March 1 next. Superannuation provision will be 
made under the Federated Superannuation System for Universities, under 
which a contribution of approximately ro per cent of salary is paid by the 
Department and 5 per cent is paid by the officer. 
Preference will be given, other things being equal, to ex-service men. 
Applications giving particulars of age, qualifications, military service, etc., 
and enclosing copies of testimonials or names of referees should be made in 
writing not later than February 26 to Secretary, Department of Scientific 
and Industrial Research, 16 Old Queen Street, S.W.1. 
