Ixvi 
ARISTOTELIAN SOCIETY. 
SESSION 1916-1917. 
MEETINGS at 22 ALBEMARLE STREET, W., at 8 p.m. 
1916. 
November 6. President's Inaugural Address: ‘‘The Problem of Recog- 
nition.” Dr. H. Witoon Carr. : 
“The Function of the State in promoting the Unity of 
December 4. 
Mankind.” Dr. Bernarp Bosanqurr. 
», 18 The Organisation of Thought.” Professor A. N. WHITE- 
HEAD. 
1917. u 
January 8. ‘* Hume's Theory of the Credibility of Miracles.” Mr. C. D. 
Broap. 
” 22. ‘*Monism in the light of recent developments in Philo- 
sophy.” 
“Valuation and Existence.” 
“The Nature of Knowledge as conceived by Malebranche.” 
Mr. C. E. M. Joan. 
February 5. Mr. F. C. Barrier. 
«XQ 
; Mr. Morris GINSBERG. 
March s. ‘Fact and Truth,” Professor C. L1oyp MorGan. 
April 2. ‘‘Is there any justification for the conception of Ultimate 
Value?” Mr. W. A. Pickarp-CAMBRIDGE. 
” 23. Symposium: ‘‘ Ethical Principles of Social Reconstruction.” 
Principal L. P. Jacks, Mr. G. Bernarp Suaw, Mr. 
C. Devistk Burns, and Miss H. D. OakKELry. . 
May 7: pone Basis of Critical Realism.” Professor G. Dawes 
ICKS. 
sr 2t. ‘Some Aspects of the Philosophy of Plotinus.” Dean 
W. R. INGE. 
June g. (At Cambridge.) ‘‘ The Conception of a Cosmos.” Professor 
J. S. MackENziE. . 
4, to. (At Cambridge.) Symposium: ‘‘ Are the Materials of Sense 
Affections of the Mind?" Dr. G. E. Moore, Mr. 
W. E. Jounson, Professor G. Dawes Hicks, Pro- 
3 fessor J. A. Situ, and Professor James Warp. 
July 2. “Relation and Coherence.” Miss L. S, STEBBING. 
G. DAWES HICKS, Hon. Sec. 
SWINEY LECTURES on GEOLOGY, 19016. 
UNDER THE DIRECTION OF THE TRUSTEES OF THE BritisH Museum. 
A Course of Twelve Lectures on ‘‘ The Mineral Resources of Europe” 
will be delivered by Dr. Joun S Frerr. F.R.S., at the ROVAL SOCIETY 
OF ARTS, 18 and 19 JOHN STREET, ADELPHI, W.C. (by permission 
of the Council of the Society). 
The Lectures, which will be illustrated by Lantern Slides, will be given 
on Tuesdays, ‘Thu sdays, and Fridays, at 5 p.m., beginning Tuesday, 
November 14, and ending Friday, December 8. Apbmission FREE. 
Briti-h Museum (Natural History), 
Cromwell Road, Lofdon, S.W. 
COUNTY BOROUGH OF HUDDERSFIELD 
TECHNICAL COLLEGE. 
Principal—J. F. Hupson, M.A., B.Sc. 
CLOTH MANUFACTURE. 
CHEMISTRY anp DYEING. 
MECHANICAL ann ELECTRICAL 
ECONOMICS ann COMMERCE. 
BIOLOGY, PHYSICS, MATHEMATICS. 
The new department of COAL TAR COLOUR CHEMISTRY is open 
for teaching and research under the direction of Dr. A. E. EVEREST. 
Full particulars on application to the Secrerary, Technical College, 
Huddersfield. 
ENGINEERING. 
T. THORP, Secretary. 
NORTHAMPTON POLYTECHNIC INSTITUTE, 
LONDON, E.C. 
Applications are invited for the following full-time vacan i i 
the Civil and Mechanical Engineering Dereon i— oe: i aan 
(1) DEMONSTRATOK and ASSISTANT LECTURER. 
(2) I Borat ORY 
2) LABORAT! Y MECHANIC and UNIOR DEMON- 
STRATOR, with good practical rack fk of the working of 
, Heat Engines, Salary £120 per annum. 
Particulars and forms of application for either of the above can be obtained 
on application to. -R, MULLINEUX WALMSLEY, D.Sc., Principal. 
Salary 
NATURE 
[NovEMBER 2, 1916 
BIRKBECK COLLEGE, 
BREAMS BUILDINGS, CHANCERY LANE, E.C. 
COURSES OF STUDY (Day and Evening) for Degrees of the 
UNIVERSITY OF LONDON 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. 
ARTS.—Latin, Greek, English, Freneh, German, Italian, 
History, Geography, Logie, Economies, Mathematies (Pure 
and Applied). 
Evening Courses for the Degrees in Economics and Laws. 
POST-GRADUATE AND RESEARCH WORK. + 
Rae Day: Science, £17 10s,; Arts, £10 10s, 
SESSIONAL FEES { Evening: Science, Arts, or Economies, £5 5s. 
Prospectus post free, Calendar 3d. (by post 5d.), from the Secretary. 
SOUTH-WESTERN POLYTECHNIC 
INSTITUTE, CHELSEA. 
Day and Evening Courses in the Faculty of Science and 
Engineering. 
Technical Chemical Courses. 
Pharmacy and Dispensing Courses. 
Particulars may be obtained on application to the Secretary 
(Room 44), SIDNEY SKINNER, M.A., Principal. 
Telephone: Western 899. 
LURGAN URBAN DISTRICT. 
WANTED, PRINCIPAL AND SECRETARY FOR 
TECHNICAL SCHOOL. 
The Lurgan Technical Instruction Committee require the services of a 
PRINCIPAL and SECRETARY (to devote his whole time to the work 
of the School), possessing qualifications in Technology recognised by the 
Department of Agriculture and ‘lechnical Instruction, and having had 
experience of the working of Technical Schools. Salary £200 per annum. 
Applications, stating age, &c., will be received by the undersigned not 
later than 12 o'clock noon on Friday, November 24, 1916. . 
Canvassing by or on behalf of candidates will be deemed a disqualifi- 
cation. 5 
J. W. POLLOCK, 
Technical School, Lurgan, Acting Secretary. 
October 24, 1916, 
DERBY EDUCATION COMMITTEE. 
TECHNICAL COLLEGE. 
The Governors invite applications from qualified candidates for the post 
of LECTURER and DEMONSTRATOR in CHEMISTRY. Salary 
#300 per annum. : 
Forms of application may be obtained from the Principat, Technical 
College, Derby, to whom they should be returned not later than Monday, 
November 13, 1916. 
WILLIAM COOPER, Secretary. 
October 23, 1916. 
OLD PLATINUM, GOLD 
Dental Alloy, Scrap, &c., ~ 
Purchased for Cash or Valued. 
SPINK & SON, Ltd., 
17 & 18 PICCADILLY, LONDON, W. 
EST. 1772. 
Fine Jewels or Plate also purchased or valued. 
SECOND-HAND 
MICROSCOPES, TELESCOPES, 
SURVEYING AND DRAWING 
INSTRUMENTS, AND OTHER SCIENTIFIC APPARATUS AND 
ACCESSORIES BY ALL THE BEST MAKERS. 
338 HicH HOLBORN, CLARKSON’S 
LONDON, W.C. 
(Opposite Gray’s Inn Road.) 
