XXXVIL 
INZLTAO LL 
[June 1, 1899 
NOTICE. 
N Ae Oe i 
Of THURSDAY, JUNE §, will contain the 
INDEX 
Its price will be ONE SHILLING. 
Advertisements for Number 
must reach the Publishers not later than by the morning of 
VoLtuME LIX. 
intended insertion in this 
WEDNESDAY, JUNE 7. 
“NATURE” OFFICE, 
Sia IMeASTR TaN ier S ia O)laiReEs selec IV Ven Gre 
BIRKBECK INSTITUTION, — 
Breams Buildings, Chancery Lane, E.C. 
DAY AND EVENING CLASSES. 
UNIVERSITY OF LONDON.—Complete Day Courses for all the 
Examinations in Science, and Complete Evening Courses for all the 
Examinations for the Science, Arts, and Law Degrees. 
SCIENCE CLASSES in every Branch, with Practical Work. Well- 
equipped Laboratories for Chemistry, Physics, Biology, Botany, 
and Metallurgy. 
LECTURES on Political Economy, Commercial Geography, Common Law, 
Bankruptcy, Equity and Conveyancing, Logic, Psychology, and Ethics. 
CLASSES in Languages, Literature, English and Commercial Subjects. 
CONJOINT BOARD : Lectures and Practical Work in Chemistry, Physics, 
Biology, and Practical Pharmacy. 
Prospectus, Calendar (6d.), and Syllabuses of Classes on application to the 
Secretary. 
ENGINEERING AND CHEMISTRY. 
CITY AND GUILDS OF LONDON 
INSTITUTE. 
SESSION 1899-1900. 
The Courses of Instruction at the Institute's CentTraL TECHNICAL 
COLLEGE (Exhibition Road) are for Students not under 16 years of age; 
those at the Institute’s TECHNICAL COLLEGE, Finspury, for Students 
not under 14 years ofage. The Entrance Examinations to both Colleges 
are heldin September, and the Sessions commence in October. Particulars 
of the Entrance Examinations, Scholarships, Fees, and Courses of Study, 
may be obtained from the respective Colleges, or from the Head Office 
of the Institute, Gresham College, Basinghall Street, E.C. 
CITY AND GUILDS CENTRAL TECHNICAL COLLEGE. 
(Exursition Roap, S.W.) 
A College for higher Technical Instruction for Students not under 16 pre- 
paring to become Civil, Mechanical, or Electrical Engineers, Chemical and 
other Manufacturers, and Teachers. Fees for a full Associateship Course, 
425 per Session. Professors :— 
Civil and Mechanical Engineering W.C Unwin, F.R.S., M.Inst.C.E. 
Filech stn ion eaHee oe { W. E. Ayrton, F.R.S., Past Pres. 
LLECTIICA mugineering eee \ Inst. EE. 
jH. E. ArmstronG, Ph.D., LL.D., 
aed F.R.S., Dean of the College for the 
\ Session. 
Mechanics and Mathematics O. Hewrici, Ph.D., LL.D., F.R.S. 
CITY AND GUILDS TECHNICAL COLLEGE, FINSBURY. 
(LEonarD STREET, City Roan, E.C.) 
Provides Courses of Intermediate Instruction for Day Students not under 
tq years of age, preparing to enter Engineering and Chemical Industries. 
Fees, £15 per Session. Professors :— 
Physics and Electrical Engineering { S. (eeeeer iecalas x S. 
Chemistry 
Mechanical Engineering and\ r 
NIST atic = a) W.E. Dacsy, M.A., B.Sc., M.I.M.E 
Chemistry R. Mevpora, F.R.S., F.I.C. 
JOHN WATNEY, Hon. Secretary. 
City and Guilds of London Institute, 
Gresham College, Basinghall Street, E.C. 
“ROYAL GEOGRAPHICAL SOCIETY. 
The ANNIVERSARY MEETING will be held (by permission of the 
Senate) in the Hall of the University of London, Burlington Gardens, W., 
on Monday, June 5, at 3 p.m., Sir Clements Markuam, K.C.B., F.R.S., 
President, in the chair. During the Meeting the Council and Officers 
will be elected for the ensuing year, the President will give his Address, 
and the Gold Medals and other Awards of the Society will be presented. 
The ANNUAL DINNER of the Society will be held on the evening 
of the Anniversary Meeting, at the Hétel Métropole, Whitehall Rooms, 
Whitehall Place, S.W., at7 for 7.30pm. Dinner Charge £1 1s. Friends 
of Fellows are admissible to the Dinner. 
“WALSALL SCIENCE AND ART 
INSTITUTE. 
Wanted for September next :— 
1. A Teacher of Evening Classes in Chemistry and Metallurgy. Salary, 
£120 per annum. 
A Teacher of Evening Classes in Physics and Mathematics. Salary, 
4120 per annum. 
The selected Candidates will be expected to devote their chief attention 
to the work ; but a limited number of private appointments will be allowed. 
. A Second Art Master to take charge of the Day Classes and to assist 
in the Evening Work. Salary, £150 per annum. Copies of the duties will 
be forwarded on receipt of a stamped and addressed envelope. 
Apply, stating age and qualifications, and forwarding ot ove than three 
testimonials, not later than Monday, June rzth, to 
JOHN TURNER, 
Director of Technical Instruction. 
EGYPTIAN GOVERNMENT SCHOOLS. 
FIVE ASSISTANT MASTERS REQUIRED, to begin work in 
October, in Cairo Secondary School, under Ministry of Public Instruction. 
Masters to teach in English exclusively—one of them principally Physics 
and Chemistry, two of them principally Mathematics, and the two others 
principally English. Over three hundred boys. English Head Master. 
‘Leaching hours on an averege, three daily—Fridays excepted. Summer 
vacation not less than two months annually. Graduates of Oxford or 
Cambridge preferred. Salary about £295 per annum (L. Eg. 288), rising 
to about £393. Civil Service Pension Scheme. 
Allowance for passage out to Egypt. 
Applications, accompanied by copies only of testimonials, must be sent in 
befure June 30, 1899, marked outside ‘‘ English Masterships,” and addressed 
to the SECRETARY-GENERAL, Ministry of Public Instruction, Cairo, Egypt, 
to whom Candidates may apply for further information. 
COUNTY BOROUGH OF WEST HAM. 
Applications are invited for the following Appointments on the Teaching 
Staff of the Municipal Technical Institute :— 
ASSISTANT LECTURER in MATHEMATICS (£150 per annuum). 
DEMONSTRATOR in ENGINEERING (£100 per annum). 
The above are commencing salaries. 
Full particulars can be obtained by sending a fully addressed fo Iscap 
envelope to the Principat, Municipal Technical Institute, Romford Road, 
West Ham, E., before June 19th, 1899. 
By order of the Council, 
FRED. E. HILLEARY, Town Clerk. 
Town Hall, West Ham, E., May r8th, 1899. 
UNIVERSITY COLLEGE OF NORTH 
WALES. 
(A CONSTITUENT COLLEGE OF THE UNIVERSITY 
OF WALES.) 
Applications are invited for the Post of ASSISTANT LECTURER IN 
AGRICULTURE. Salary 4120. Competent knowledge of Forestry 
desirable but not essential. Ability to Lecture in Welsh will be considered 
an additional qualification. 
For particulars apply to the undersigned, to whom applications must be 
sent not later than June 2oth. 
J. E. LLOYD, M.A., Secretary and Registrar. 
Bangor, June ist, 1899. 
MUNICIPAL TECHNICAL SCHOOLS, 
PLYMOUTH. 
WANTED, an ASSISTANT MASTER (Undergraduate in Science 
preferred), mainly for School of Science work. Must have good teaching 
experience. Salary £100 per annum, rising by annual increments of £10 to 
4120. Full particulars from 
DEPARTMENT OF AGRICULTURE, 
Applications for the Appointment of a LECTURER on AGRI- 
CULTURAL CHEMISTRY, at a stipend of £250 a year, will be received 
up to June 26th, 1899, by the REGISTRAR OF THE COLLEGE, from whom 
further particulars of the Appointment may be obtained. 
RESEARCH. 
CHEMISTRY. PHYSICS. BACTERIOLOGY. 
Well-fitted LABORATORIES can be used for RESEARCH at any hour 
convenient to Workers. Dark Room fgr PHOTOGRAPHIC and other 
Work. j:immersion for MICRO-PHOTOGRAPHY. Workshop for 
making Apparatus. ELECTRIC MAINS, powerful Constant Currents. 
—‘ fT. "' 9 Heathcote Street, Gray's Inn Road. 
