ex] viii NATURE 
[DECEMBER II, 1913 
ROYAL INSTITUTION OF 
GREAT BRITAIN. 
ALBEMARLE STREET, PICCADILLY, W. 
LECTURE ARRANGEMENTS BEFORE EASTER, 1914. 
Christmas Lectures. 
EIGHTY-EIGHTH COURSE (ADAPTED TO A JUVENILE 
AUDITORY). (Ltlustrated). 
Professor H. H. Turner, F.R.S.—Course of Six Lectures on “‘A 
Vovace in Space: THe Startinc Point—Our Eartu; Tue STart 
THROUGH THE AIR; JOURNEYING BY TELESCOPE; VISITS TO THE 
Moon anv Pranets ; Our Sun; Tue Stars.” On December 27 (Satur- 
day), December 30(Tuesday), January 1 (Thursday), January 3 (Saturday), 
January 6 (Tuesday), January 8 (Thursday), at Three o'clock. 
COURSES OF LECTURES. 
Professor WiLt1AM Bateson, F.R.S.—Six Lectures on ‘‘ ANIMALS AND 
PLants UNDER Domestication... On Tuesdays, January 20, 27, Feb- 
ruary 3, 10, 17, 24, at Three o'clock. 
Professor Sir JoHN H. Bires, M.Inst.C.E, Three Lectures on 
**Movern Suies.” On Tuesdays, March 3, 10, 17, at Three o'clock. 
Artuur H. Situ, Esq., F.S.A. Two Lectures on ‘“‘ LANDSCAPE AND 
NaTuRAL Opjects 1n Crassicat ArT.” On Tuesdays, March 24, 31, at 
Three o'clock. 
Wittram McDoucatt, Esq., F.R.S. Two Lectures on ‘‘ THE Minp 
or SavacGE Man” (Illustrated by the Pagan Tribes of Borneo). On 
Thursdays, January 22, 29, at Three o'clock. 
Professor Sir THomas H. Hotranp, K.C.I.E., F.R.S. Two Lectures 
on ‘Types AND Causes or EartTH Crust Fotps.” On Thursdays, 
February 5, 12, at Three o'clock. 
Professor I. Gottancz, F.B.A. Two Lectures on ‘‘ HAMi.ET IN LEGEND 
anp Drama." On Thursdays, February 19, 26, at Three o'clock. 
Professor C. T. Jenkin, M.Inst.C.E. Three Lectures on ‘‘ HEAT AND 
Coup.” On Thursdays, March 5, 12, 19, at Three o'clock. 
Cates Wiiiiams SALEEBY, Esq., M.D. Two Lectures on ‘‘ THE Pro- 
GRESS OF EUGENICS.” 
Professor FREDERICK CorvEeR. ‘Three Lectures on 
Musicat Composers” (with Musical Illustrations). 
January 24, 31, February 7, at Three o'clock. 
Joxun ALLEN Harker, Esq., F.R.S.—Two Lectures on ** THE ELECTRIC 
Emissivity oF Matrer” (with Experimental Illustrations). On Satur- 
days, February 14, 21, at Three o'clock. 
Professor Sir J. J. Tomson, O.M., F.R.§. Six Lectures on ‘‘ RECENT 
Discoveries In Puysicat Science" On Saturdays, February 28, March 
7, 4, 21, 28, April 4, at Three o'clock. 
““ NEGLECTED 
On Saturdays, 
Subscription (to Non-Members) to all Courses of Lectures, Two Guineas. 
Subscription to a Single Course of Lectures, One Guinea, or Half-a-Guinea. 
Tickets issued daily at the Office of the Institution, or sent by post on 
receipt of Cheque or Post-Office Order. 
The Fripay EveninGc Mgetincs will begin on January 23, at 9 p.m., 
when Professor Sit James Dewar will give a Discourse on THE CoMING 
or AGE oF THE “ VacuuM FLask.’’ Succeeding Discourses will probably 
be given by Mr. H. Wickuam STEED, Dr. H. S. HELE-SHAw, Professor 
J. Norman Co tie, Professor ARTHUR KEITH, Professor W. A. Bong, 
The Rev. Canon J. O. Hannay, (‘' GEorGE BIRMINGHAM"), Sir WALTER 
R. LAwrENceE, Bart., The Right Hon. Lord RAyYLEicH, O.M., Professor 
J. A. FLEMING, Professor Sir J. J. THomson, O,M., and other gentlemen, 
Members are entitled to attend: 
All Lectures delivered in the Institution, 
Friday Evening Meetings and Discourses. 
Libraries and Reading Rooms. 
Their Families are admitted to the Lectures at a reduced charge, 
Persons desirous of becoming Members can obtain a Prospectus and 
further information at the Office of the Institution, 21 Albemarle Street, W. 
ES 
COLLEGE, = 
OF SCIENCE AND TECHNOLOGY 
SOUTH KENSINGTON, LONDON, S.W. 
The following Special Courses of Advanced Lectures will be given, 
commencing in January next :— 
Sudbject— Conducted by— 
The Pathology of Plants { rue KR M.A., Sc.D., 
Cytology - \ Prof. H. Maxwett Lerroy, M.A., 
Advanced Entomology/ F.L.S. 
For further particulars of these and other Courses to follow application 
should be made to the REGISTRAR. 
On Thursdays, March 26, April 2, at Three o'clock, - 
THE SIR JOHN CASS TECHNICAL INSTITUTE, 
Jewry Street, Aldgate, E.C. 
The following Special Courses of Instrnction in 
FUEL AND POWER. 
will be given during the Tent a d summer Terms, rorg :— 
ELECTRICAL SUPPLY AND CONTROL, 
By Dovuctas Betts, A.M.I.E.E. 
A Course of 5 Lectures, Monday evenings, 7 to 8 p.m., commencing 
Monday, January 12, 1914. 
THE TRANSMISSION OF POWER. 
By H. B. Ransom, M_Inst.C,E., M.Inst.Mech.E. 
A Course of 5 Lectures, Monday evenings, 7 to 8 p.m., commencing 
Monday, February 16, 1914. 
FUEL ANALYSIS. 
By J. S.S. Brame. 
A Course of Laboratory Work, Wednesday evenings, 7 to 10 p.m., 
commencing Wednesday, lanuary 14, 1974. 
TECHNICAL GAS ANALYSIS. 
By Cuarves A. Keane, D.Se., Ph.D., F.1.C. 
A Course of Laboratory Work, Wednesday evenings, 7 to 10 p.m., 
commencing Wednesday, April 22, 1914. 
Detailed Syllabus of the Courses may be had upon application at the 
Office of the Institute, or by letter to the Principat. 
THE SIR JOHN CASS TECHNICAL INSTITUTE, 
Jewry Street, Aldgate, E.C. 
DEPARTMENT OF PHYSICS AND MATHEMATICS. 
The following Special Courses of Instruction will be given during the 
Tent Term, 1914 :— 
THE CONSTRUCTION AND USES OF PHYSICAL INSTRUMENTS 
IN THEIR APPLICATION TO PHYSICAL CHEMISTRY. 
By F. J. HARLOW, B.Sc., A.R.C.S. 
_ A Course of 10 Lectures with associated laboratory work, Friday even- 
ings, 7 to 10 p.m., commencing Friday, January 16, 1914. 
This Course is arranged especially for these who desire to become ac- 
quainted with the construction and uses of the instruments employed in 
the study and applications of Physical Chemistry. Full opportunity will 
be provided in the laboratory for practice in the use of the instruments 
dealt with in the lectures. 
CONDUCTION IN GASES AND RADIO-ACTIVITY. 
By R. S. Wittows, M.A., D.Sc. 
_ A Course of 10 Lectures, fully illustrated by experiments, Friday even- 
ings, 7 to 8 p.m., commencing Friday, January 16, 1914. 
This Course is intended for those who have a good general knowledge of 
Physics and who desire to become acquainted with the modern develop- 
ments of this important branch of the subject. 
Detailed Syllabus of the Courses may be had upon application at the 
Office of the Institute, or by letter to th= PrincipaL. 
INTERNATIONAL INSTITUTE OF 
AGRICULTURE. 
The International Institute of Agriculture invites applications for a 
additional post on the English Scientific Staff of the Bureau of Agricul- 
tural Intelligence and Plant Diseases. Salary L.190 (4 800 lire) per annum 
payable monthly. Second Class Fare. Vacation 40 days. Candidates 
must have taken a good Agricultural degree and possess a thorough know- 
ledge of French. 
Selected candidate to enter on his duties on January 1, 1914, or as Soon 
as possible after that date. 
Applications, accompanied by copies of testimonials, should be sent to 
ae Secretary GENERAL of the International Institute of Agriculture, 
ome, 
THE SOUTH AFRICAN SCHOOL OF MINES 
AND TECHNOLOGY, JOHANNESBURG. 
WANTED, an ASSISTANT LECTURER FOR _PHYSICS 
DEPARTMENT. Commencing salary, £300 per annum. Engagement 
one year certain ; thereafter three months’ notice either side. Commence 
duties Johannesburg early March. Allowance for travelling expenses, 
437 10s. Half Salary during voyage out. Mostly day work, but some 
evening class work. Applications and testimonials, which should be sent 
in duplicate where possible, will be received until 24th December by 
Cuatmers, Guturie & Co, Ltd., 9, Idol Lane, London, E.C. Health 
certificate will be essential if application is entertained. 
COUNTY BOROUGH OF SALFORD. 
MUNICIPAL SECONDARY SCHOOL FOR BOYS. 
APPLICATIONS INVITED for the APPOINTMENT of HEAD- 
MASTER of this School. Commencing salary £350 per annum. Candidates 
must be graduates of a British University. Further particulars and form 
of application may be obtained from the undersigned. Applications must 
be received not later than the first post on the 15th instant. 
OGILVIE DUTHIE, Director of Education. 
Education Office, Salford, 
December 1, 1913. 
CAPABLE EXPERIMENTER RE- 
QUIRED for the Research Laboratory of the scientific instrument 
making factory of Adam Hilger, Ltd. The applicant should have a 
general knowledge of physics and fairly wide experience in research, 
which experience should include some branch of radiation problems. 
In addition to the above qualifications he should have a familiar 
acquaintance with the usual laboratory and workshop arts, such as 
simple glass blowing, &c.—Apply by letter to 75a Camden Road, N.W. 
