xlii 



NATURE 



[June i i, 1896 



ROYAL GEOGRAPHICAL SOCIETY. 



The ANNI\-KRSARV MKKTING will be held (bv permission of the 

 Senate) in the Hall of the University of London. Hurlington Gardens, W., 

 on MONDAY, JUNE 15, at 2.30 p.m. Sir Ci.i;mi-n rs R. Markham, 

 K.C.H.. K.R S.. I'resident, in the chair 



During the Meeting the Council and Officers will be elected for the 

 ■ensuing year, the Annual Report of the Council will be read, 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 Hotel Metropole, Whitehall Rooms, Whitehall 

 Place, at 7 p.m. Dinner charge, /i \s. Friends of Fellows are admissible 

 40 the Dinner. 



McGILL UNIVERSITY, MONTREAL, 

 CANADA. 



The Governors of McGill University are prepared to receive Applications 

 for the following posts ; — 



A PROFESSORSHIP Q<i ARCHITECTURE. 

 A PROFESSORSHIP of MININt; AND METALLURGY. 

 AN ASSISTANT PROFESSORSHIP of CIVIL ENGINEERING. 

 AN ASSISTANT PROFESSORSHIP of DESCRIPTIVE 

 GEOMETRY and FREEHAND DRAWING. 



The nature of the work is fully described on pages 18 to 27 of the Uni- 

 versity Announcement, copies of which may be obtained on application to 

 the Editor of Nature, or the Editor q{ Engineering. For further informa- 

 tion apply to the Secretary, McGill College, Montreal. 



In the case of the Professorship of Mining, and of the Assistant Professor- 

 ship of Civil Engineering, experience in Laboratory work is essential. The 

 Assistant Professor of Civil Engineering should also have a thorough 

 kno^'ledge of Hydraulics. 



Candidates for the Assistant Professorship of Descriptive Geometry and 

 Freehand Drawing should hare a knowledge of Architectural Drawing, as 

 the Assistant Professor of this subject will be expected to give assistance to 

 the Professor of .\rchi lecture. 



Candidates for any of the above Appointments must send their names to 

 the undersigned, together with a statement of their age, previous career, and 

 ■qualifications, with such Testimonials as they may think desirable, not later 

 than July 14. 



J. W. KRAKENRIDGE, 



Acting Secretary, McGill College. 



YORKSHIRE COLLEGE, LEEDS. 



ENGINEERING DEPARTMENT. 



The ENTRANCE EXAMINATION this year will be held either on 

 July 13 or October 5. In July it may (under certain conditions) be taken at 

 .any place convenient to the Candidate ; in October it will be held at the 

 College only. Success in certain other E.\aminations excuses from this. 



All Particulars may be obtained from the Registrak of the Yorkshire 

 College, Leeds, who will also receive names of intending Candidates, which, 

 for the July E.vami nation, must be sent to him not later than June 30. 



BEDFORD COLLEGE (LONDON) 



FOR WOMEN, 



8 and 9 YORK PLACE, BAKER STREET, W. 



ENTRANCE SCHOLARSHIPS. 



One Arnott Scholarship in Science, Annual Value {,a,i, and one Reid 



Scholarship in Arts, Annual Value Thirty Guineas, each tenable for Three 



Years, will be awarded on the result of the Examination, to be held at the 



■College on June 23 and 24. 



Names to be sent in to the Principal, not later than June 15. 



LUCY J. RUSSELL Honorary Secretary 



BEDFORD COLLEGE (LONDON) 



FOR WOMEN, 



S and 9 YORK PLACE, liAKER STREET, W. 



The Professorship in Hygiene at this College will be vacant at the end 



of this Session. .'Applications, together with Copies of Testimonials, must 



be sent in by June 16, to the Honorary Secretary at the College, from 



whom all information may be obtained. 



THE ELECTRICAL 

 GENERAL ENGINEERING COLLEGE, 



SCHOOL OF SCIENCE. 



PENYWERN HOUSE, 2 and 4, PENYWERN ROAD, 



EARL'S COURT, S.W. 



Prin-cipal— G. W. DE TUNZELMANN, B.Sc, M.I.E.E. 



Senior-Instructor— C. CAPITO, M.I.E.E., M.I.M E. 



Laboratories, Dynamo Room, Steam Engine, Engineering Workshop 



with Machine Tools, Pattern Shop, &c. 



The College provides a Training for Electrical, Mechanical, Civil, and 

 Mining Engineers, for Science Students in Mathematics, Physics, Cbem- 

 isti-j'. Biology, Geology, and Mineralogy, and Preliminary Training for 

 Students entering Cooper's Hill and the Central Institution. 



Y E L V E R T O^ COLLEGE. 



HIGH-CLASS SCHOOL FOR GIRLS. 



For Prospectus, Fees, and Referees, apply to the Principal, 

 Miss HEATH, Yelverton, S. Devon. 



ALFRED JORGENSEN'S 



LABORATORY FOR THE PHYSIOLOGY AND 

 TECHNOLOGY OF FERMENTATION. 



COPENHAGEN, V. (Established i88i.) 



Studkms' Sessio.ns. — Courses of Instruction in the Physio- 

 logy and Technology of Fermentation for Beginners and Ad- 

 vanced Students, with particular regard to Hansen's System 

 for the Pure Cultivation and .\nalysis of Yeast and the applica- 

 tion of selected pure Yeast types in practice. 



(i) Mould-fungi. (2) Forms of Transition between Mould-fungi and 

 Saccharomyces Veast-fungi. (3) Yeast-fungi : Culture Yeast Types, Wild 

 Yeasts, Disease Yeast. (4) Fermentation Bacteria. (5) Preparation of 

 absolutely pure Cultures of Yea.st-fungi. (6) Preparation of Cultures on a 

 large scale. (7) Comparative Experiments with Mass Culture, and Instruc- 

 tion in their Use in Practice (in Breweries, Distilleries, Wine Fermentation, 

 &c.). (8) Supervision of Fermentation Establishments. (9) Preservation of 

 Selected Types of Yeast. (10) Instruction in the Use of Yeast Propagating 

 Machines. 



The English, French, Danish and German languages are used in the 



The Laboratory possesses a numerous collection of Culture-Yeast Types 

 (for Breweries, Distilleries, Grape Wine, Fruit Wine), Wild Yeasts ( Disea.se 

 Ye.tst), and Fermentation Bacteria, all of which are supplied for use in 

 Laboratories and in practice. 



Manuals of Instruction : — Alfred Jorgensen : " Micro-Organismsand Fer- 

 mentation," new edition, 1893 (published by F. W. Lyon, Ea.stcheap 

 Buildings, London). French Edition (Sociele d'Editions Scientifiques, 

 Paris, 1894). Third German Edition (P. Parey, Berlin, 1892). 



E. Chr. Hansen : " Practical Studies in Fermentation (Contributions to 

 the Life history of Micro-Organisms)" (E. F. Spon, London, 1895). French 

 R6sum6 in the " Comptes rendus dU'Laboratoire de Carlsberg " (Hagerup, 

 Copenhagen). German Edition (R. Oldenbourg, Munich, i89o-t895)) 



Prospectus gratis on application. 



The Laboratory has up to this day been frequented by 380 Students from 

 all coimtries , among them by 4t English a nd America n Students. 



ASSISTANT MASTERSHIPS Vacant for 



next Term in Public Schools.— Science, iiiSo : Chemistry, ;£i20 ; 

 Drawing, .^120; Mathematics and French, i^i^o respectively. For 

 conditions under which particulars of these and other Vacancies are 

 given, apply to the Hun. Sec, Assistant Masters' Association, Parmiters 

 School, Victoria Park, N.E. 



SIR R. BALL'S FAILURE to account for 



the Earth's Warming, since the Glaci.il A-e. fully met. THE JESUS- 

 HUXI.KY CASE ON NOAH'S FLOOD. ITS CAUSES AND 

 PROOFS. Q.d. 



W. REEVES, i8s Fleet Street. 



SELENIUM CELLS 



FOR EXPERIMENTS WITH 



x^. o ivr G- e: 3V is..a.^vs 



(See Natcke, June 4, iSq6, p. loo) 

 ARK MADE .A. N D SOLD I'. V 



P. J. KIPP & ZONEN (J. W. CILTAY, OPVOLCER), 



DELFT, HOLLAND^ 



FLUORESCENT SCREENS, 



6" X S", io.r. (id. po.st free. 



Most carefully prepared ; each Screen tested and guaranteed. The bones 

 of the body can be easily examined, and Photographs taken with one n.inute's 

 exposure or less through these excellent Screens, with great clearness. A 

 Stereoscopic Dark Box, to fit the Screens, will be ready in a few days, 9J. dd. 



Address, H. LEES, CASTLETOWN. LSLE OF MAN. 



ALBERT EDWARD JAMRACH 



(Late CHARLES JAMRACH), 

 NATURALIST, 



180 ST. GEORGE STREET EAST. 



OPTICAL & SCIENTIFIC INSTRUMENTS. 



Spectrometers, Spectroscopes, Goniometers, Catbetometers, Optical 

 Benches, &c., &c. Instruments for special purposes constructed to Clients' 

 own designs. Price List on application. 



W. WILSON (formerly Foreman at Messrs. Elliott Bros.), 

 56 Crogsland Road, Chalk Farm, London, N.W. 

 Manufacturer of 

 ELECTRICAL & PHYSICAL 



INSTRUMENTS. 



44 Hatton Garden, London. 



Cataicgites Free. 



