Ixvi 
NOTICE. 
The issue of NATURE for 
Thursday next, October 23, will 
contain the Index to Vol. 9I. 
Its price will be One Shilling. 
*,* Advertisements intended for the 
number should reach the publishers 
by the morning of Tuesday, Oct. 21. 
Office: ST. MARTIN'S STREET, LONDON, W.C. 
ES 
IMPERIAL COLLEGE OF SCIENCE 
AND TECHNOLOGY, 
SOUTH KENSINGTON, LONDON, S.W. 
The following Special Courses of Advanced Lectures will be given, 
commencing in November next :— 
ROYAL COLLEGE OF SCIENCE. 
Subject. Conducted by 
ae Sir Wittiam pe W. Asnry, K.C.B. 
Col Vv Fe a 
colour Vision { D.Sc, D:C.L., ARS. || ‘ 
ao Professor WatTs, LL.D., Sc.D., M.Sc. 
Mining Geology—Part A (of 3) i Race on ee 4 
courses on Economic Geology) | RES: x-GiS. (and Sasinian Prof. 
For further particulars of these and other Courses to follow, application 
should be made to the REGISTRAR. 
UNIVERSITY OF LONDON. 
The following Advanced Lectures will be delivered :— 
A Course of four Lectures on ‘‘ Mechanism and Teleology” by Professor 
Hans Drisscu, of the University of Heidelberg, in the Zoological Lecture 
Room of King's College, Strand, W.C., on October 21, 22, 23 and 24, 1913, 
at 5 p.m. 
A Course of eight Lectures on ‘‘The Cytology and Affinities of the 
Higher Fungi” by Dr. H.C. 1. Gwynne-VauGHAN at University College, 
Gower Street, W.C., on ‘I hursdays, commencing on October 23, at 5 p.m. 
Admission free, without ticket. 
P. J. HARTOG, Academic Registrar. 
THE SIR JOHN CASS TECHNICAL 
INSTITUTE, 
JEWRY STREET, ALDGATE, E.C. 
The following Special Course of Instruction will be given during the 
Autumn Term, 1913 — 
COLLOIDS. 
The Methods employed in their Investigation 
and their Relation to Technical Problems. 
By E. HATSCHEK. 
A course of 1o Lectures and Demonstrations on the nature and 
properties of Colloidal substances, of the methods employed in their 
investigation, and of the bearing of Colloidal phenomena on Chemical 
and allied Industries. 
Tuesday Evenings, 7 to 8.30 p.m. 
The first lecture of the Course was held on Tuesday, October 7. 
Detailed Syllabus of the Course may be had at the Office of the 
Institute, or by letter to the PRINCIPAL. : 
_ ESSEX EDUCATION COMMITTEE. 
EAST ANGLIAN INSTITUTE OF 
AGRICULTURE, CHELMSFORD. 
ASSISTANT ANALYST AND LECTURER IN AGRICULTURAL 
CHEMISTRY. 
WANTED. An Assistant Analyst and Lecturer in Agricultural Chemis- 
try to assist in the Agricultural Analytical Work of the Institute, and also 
in the lecturing to students. 
Salary £120 per annum, rising toa maximum of £150. 
Applications must be made in accordance with the printed application 
Form, which can be obtained from me, the undersigned, and must be sent 
in, duly filled up as early as possible, but in no case later than October 20, 
1913. The forms must be accompanied by copies of three testimonials. 
fc A. MALINS SMITH, Principal. 
East Anglian Institute of Agriculture, 
Chelmsford, 
NATURE 
[OcToBER 16, 1913 
HARPER-ADAMS AGRICULTURAL 
COLLEGE, NEWPORT, SALOP. 
APPOINTMENT OF LIVE.STOCK OFFICER. 
Applications are invited for the new appointment of LIVE STOCK 
OFFICER for the West Midland Province (Shropshire, Staffordshire, and 
Warwickshire). The appointment is in connection with the scheme for the 
improvement of live stock, and the Officer appointed will be required to 
give his whole time to the duties. 
Applications must be made on or before October 31, 1913 
Further particulars may be obtained on application to 
THE PRINCIPAL, 
Harper Adams Agricultural College, 
Newport, Salop. 
CITY OF BRADFORD EDUCATION 
COMMITTEE. 
TECHNICAL COLLEGE. 
Applications are invited for the post of SENIOR LECTURER IN 
ENGINEERING to work under the direction of the Professor. A Uni- 
versity degree or full academic training is essential, and must be combined 
with works and drawing office experience, Salary £250, with extra pay- 
ment for evening duties. 
Copies of the College Calendar and further particulars may be obtained 
from the Princirat of the College, to whom applications must be for- 
warded not later than October 21. 
By Order, 
Education Dept., 
Town Hall, Bradford, 
October 8, 1913. 
CITY OF BRADFORD EDUCATION 
COMMITTEE. 
TECHNICAL COLLEGE. 
DEPARTMENT OF ENGINEERING. 
A LECTURER IN MACHINE DESIGN AND DRAWING 
OFFICE PRACTICE is required. 
Salary £110, with additional payment for evening work, 
Further particulars may be obtained from the Principat of the College, 
to whom applications must be forwarded not later than October 24. 
By Order. 
Education Dept., Bradford, 
October 8, 1913. 
NR 
TO SCIENCE AND MATHEMATICAL MASTERS. 
January (1914) Vacancies. 
Graduates in Science and other well-qualified masters seeking posts in 
Public and other Schools should apply at once, giving full details as to 
qualifications, &c., and enclosing copies of testimonials, to :— 
MESSRS, GRIFFITHS, POWELL, SMITH & FAWCETT, 
Tutorial Agents (Estd. 1833), 
34 Bedford Street, Strand, London. 
Immediate notice of all the best vacancies will be sent. 
UNIVERSITY OF LONDON. i 
KING'S COLLEGE. _ 
The Delegacy invite applications for the post of LECTURER in 
GEOLOGY. Applications, three copies (which need not be printed), 
accompanied by three testimonials or by references, must reach the 
SEcRETARY not later than October 30. Further particulars may be obtained 
from the undersigned. 
WALTER SMITH, Secretary. 
UNIVERSITY COLLEGE, READING. 
RESEARCH FELLOWSHIP IN ZOOLOGY. 
Owing to the appointment of Mr. R. W. Palmer as Assistant Superin- 
tendent to the Geological Survey of India, applications are invited for the 
above Fellowship, which is of the value of 4125 per annum for two years. 
Applications should be forwarded to Professor CoLe not later than 
November 15, accompanied by a statement of the candidate’s qualifications. 
A a 
THE ROYAL TECHNICAL COLLEGE, 
GLASGOW. 
Applications are invited for the position of LECTURER and CHIEF 
ASSISTANT in the DEPARTMENT OF METALLURGY. ~ Candi- 
dates must have had sound metallurgical training. 
Further particulars may be obtained from Professor Campion, The 
Royal Technical College, Glasgow, to whom applications must be sent not 
later than October 25. 
COLLEGE OF AGRICULTURE, 
HOLMES CHAPEL, CHESHIRE. 
Applications are invited for the LECTURESHIP in SURVEYING and 
AGRICULTURAL ENGINEERING. Applications, accompanied by 
not more than three recent testimonials, should be addressed to the 
PRINCIPAL, not later than November 4. 
WANTED, PHILOSOPHICAL MAGAZINE FOR 
JUNE, 1905. Either the part or volume containing it, State full 
particulars to ‘‘ Box 144," c/o NATURE Office. 
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