clxx 
“NATURE 
[JUNE 2, 1923 

UNIVERSITY OF LONDON, 
The following Lectures have been arranged : 
A Course of ‘Uhree Lectures on “‘Pkoslems IN Retativity,” by Pror. 
Dr. H. A. LORENTZ, F.R.S. (Professor of Physics in the University of 
Leiden), at Universiry Co_ieGce, London (Gower Street, W.C.) on 
Monpay, June 4; Tursvay, June 5; and THurspay, June 7, at 5.30 P.M. 
At the first Lecture the Chair will be taken by Dr, A. N. Wurrenean, 
Se.D., LL.D., F.R.S. (Professor of Applied Mathematics in the Imperial 
College of Science and Technology). 
A Course of Three Lectures on “Tue Srructur« anp BEHAVIOUR OF 
rue Mo.ecuie” by Proressoxr GILBERT N. LEWIS, Ph.D. (Professor 
of Chemistry in the University of California), at University CoLiecr, 
London (Gower Street, W.C.), on WepNeEspay, June 6; Fripay, June 8; 
and Turspay, June r2, at 5 p.m. At the first Lecture the Chair will be 
taken by Professor F. G. Donnan, C.B.E., F.R.S. (Professor of Chemistry 
in the University). 
ADMISSION LECTURES IS FREE, WITHOUT 
EDWIN DELLER, Academic Registrar. 

TO THE 
TICKET. 

UNIVERSITY OF LONDON. — 
A Course of Four Advanced Lectures on ‘‘ Tropicat HyGiene” will be 
given by Dr. ANDREW BALFOUR (Director-in-Chief, Wellcome Bureau 
of Scientific Research) at St. BarrHocomew’s HospiraL Mepicac 
Cotiece (West Smithfield, E.C.1), on TuEspay, June 12; TuHurspay, 
June 14; Tugspay, June 19; and THurspay, June 21, at 5 pM, At the 
first Lecture the Chair will be taken by The Right Hon. Lord Stanmore, 
C.V.0. ADMISSION FREE WITHOUT TICKET. 
EDWIN DELLER, Academic Registrar. 

EMPIRE COTTON GROWING 
CORPORATION. 
THE BRITISH COTTON INDUSTRY 
RESEARCH ASSOCIATION. 
RESEARCH STUDENTSHIPS. 
SPECIAL STUDY STUDENTSHIPS. 
Further Studentships (for University graduates only), about eight in 
number, are offered. ‘They are of the value of £250 per annum each, with 
certain additional allowances and travelling expenses, and are tenable for 
one year. They will be awarded in July next. . 
These Studentships are intended to provide opportunities for additional 
training in scientific research bearing on plant genetics and physiology, 
entomology, physics, etc., or for the study of those branches of tropical 
agriculture which may be of service to men who may subsequently be 
engaged in agricultural administration or inspection in_cotton-growing 
countries. One Studentship is offered by the British Cotton Industry 
Research Association for candidates having special knowledge of physics, 
engineering or textile technology with a view to its subsequent application 
on the industrial side. ie 
The intention underlying the allocation of these Studentships is to 
increase the supply of workers with the necessary qualifications, who may 
later make use of the agricultural or industrial applications of their know- 
ledge, and so find occupation in and be of service to cotton production and 
to the industry. _ : 
Applicants for a Studentship under the Empire Cotton Growing Corpora- 
tion must be prepared to spend their Studentship year at the West Indian 
Agricultural College, Trinidad, or at some other Institution abroad, selected 
by the Corporation, and pass a medical examination. 
Particulars of the conditions of tenure of the Studentships and Fornis of 
Application may be obtained from the Secrerary, The Empire Cotton 
Growing Corporation, Millbank House, Millbank, London, S.W.x. Forms 
of Application must be returned not later than June 18, 1923. 

RESEARCH PRIZE OF $1000. 
The ELLEN RICHARDS RESEARCH PRIZE is offered for award 
in the year 1924. Theses by women based on independent laboratory re- 
search are eligible for competition and must reach the Committee before 
February 25, 1924. If the prize is not awarded a grant is available under 
certain conditions. For circulars of information and application blank, 
apply to Dr. Litian Wetsn, Goucher College, Baltimore, Maryland, U.S.A. 
For further information apply to the Secretary, Mrs. Samuet F, CLarxr, 
Williamstown, Mass. 
————————— 
UNIVERSITY OF BRISTOL. 
The University invites applications for the following EXAMINER- 
SHIPS for the First School Certificate Examination in 1g24 — 
GREEK, LATIN AND ANCIENT HISTORY (Joint Examiner). 
FRENCH (Joint aminer). ie 
MATHEMATICS AND MECHANICS (Joint Examiner). 
RELIGIOUS KNOWLEDGE. 
BOTANY. 
PHYSICS 
CHEMISTRY. 
DRAWING. 
Applications should be lodged, on or before June 20, with the REGtsTRAR, 
from whom further particulars are obtainable. 


May 109, 1923- 

THE LONDON SCHOOL OF ECONOMICS 
AND POLITICAL SCIENCE. 
(UNIVERSITY OF, LONDON.) 

Director—SiIR WILLIAM H. BEVERIDGE, K.C.B., LL.D., 
M- Ages. G.L. 
DAY AND EVENING COURSES. 
Students are registered for the degrees of B.Sc. (Econ.), 
B.Com., LL.B., B.A. (with Honours in Geography, Sociology, 
and Anthropology), and for Diplomas in Geography, Sociology 
and Social Science, and Journalism. (Special facilities are 
afforded to candidates preparing for the Higher Civil Service 
examinations.) The School is one of the largest centres of post- 
graduate study in the United Kingdom. Students are registered 
for higher degrees in the fields of Economics, Laws, and Arts. 
Entrance Scholarships and Bursaries and Research Student- 
ships are offered annually. 
Students who do not wish to pursue a full Degree or Diploma 
Course are admitted to both Day and Evening Lecture Courses. 
For further particulars apply to Tuk SECRETARY, London 
School of Economics and Political Science, Houghton Street, 
London, W.C.2. . 

UNIVERSITY COLLEGE OF SWANSEA. 
(A CONSTITUENT COLLEGE OF THE 
UNIVERSITY OF WALES.) 
Princtpal—T. FRANKLIN SIBLY, D.Sc., F.G.S. 
The Fourth Session will open on October 2, 1923. 
Courses of study are provided for : 
(a) Degrees of the University of Wales in Arts, in Pure Science, and in 
Applied Science (Metallurgy and Engineering) ; 
(4) Diplomas of the College in Metallurgy and in Engineering ; 
(c) ‘The training of Teachers for Elementary and Secondary Schools ; 
(¢) The first Medical Examination of the University of Wales and of 
other Examining Bodies. 
Persons who are not desirous of studying for degrees or diplomas may 
attend selected College Classes, provided they satisfy the Authorities of the 
College that they are qualified to benefit by such classes. : 
Entrance Scholarships will be offered for competition in September 1923. 
Particulars concerning admission to the College, and of the Entrance 
Scholarships, may be obtained from the undersigned. 
EDWIN DREW, Registrar. 
University College, 
Singleton Park, Swansea. 

TUITION BY CORRESPONDENCE 
Rapid preparation by highly qualified tutors for 
MATRICULATION, 
Intermediate and Final B.A. and B.Sc., 
OXFORD AND CAMBRIDGE LOCALS. 
Single subjects may be taken :—Latin, Greek, Hebrew, French, 
Mathematics, Chemistry, Logic, etc. For terms address— 
Mr. J. CHARLESTON, B.A. (Hons. Oxon. & Lond.), 
14 Elsham Koad, Kensington, W. 14. 

TO SCIENTISTS AND RESEARCH STUDENTS. 
THE INTERNATIONAL BIBLIOCRAPHICAL SERVICE BUREAU, 
employed by British Government Departments, University Professors, etc., 
supplies complete Continental and American bibliographies on any scientific, 
literary, or medical subject. Chemical work a speciality, Extracts made. 
Headquarters: Vienna. English representative: ‘“ALEXANDRIAN,” TA 
Longridge Road, Earl’s Court, S.W.s. 
