NA TURE 



January 9, 1902 



ROYAL INSTITUTION OF 

 GREAT BRITAIN. 



ALBEMARLE STREET, PICCADILLY, W. 



Tuesday next. January 14, at three o'clock, Dr. Allan Macfadyen, 

 M.D., B.Sc. Jenner Institute of Preventive Medicine, Fullerian Professor 

 of PhysioloBv, R.I. First of Si.-c Lectures on "The Cell : its Means of 

 Offence and Defence. Immunity-" One Guinea the Course. 



Thur-^uay, January 16, at three o'clock, A. S. Murray, Esq.. LL.D., 

 F.S.A., Keeper of Greek and Roman .\ntiquities at the British M 

 First of Three Lectures on " Recent Excavations at Delphi and 

 Greek Islands. " Half-.vGuinea. 



Saturday, January t8, at three o'clock, "William Henry Hadow 

 Esq., M.A., B.Mus. First of Four Lectures on "Land 

 History of Opera : Gluck, Mozart, Weber, Wagner" (with Musical Illi 

 (rations), Half-.vGuinea. 



the 



the 



Subscription to All the Course 



Tickets may be obtained at 



The Friday Evening Meetings 



Right Hon. Lord Rayleigh, M.A. 



" Interference of Sour 



nly are admitted. 



in the Se.ison, Two Guine; 

 rie office of the Institution 

 'ill begin on Janu.iry 17, 

 D.C.L, LL.D., F.R.S., w 

 . " To these Meetings Me 



SWANSEA (U.D.) SCHOOL BOARD. 



CENTRAL HIGHER ELEMENTARY GIRLS' 

 SCHOOL. 



WANTED for the aliove-mentioned School, a Trained Certificated 

 TEACHER for SCIENCE, CHEMISTRY and PHYSICS (Theoretic.-il 

 and Practical). Commencing salary, ;^ioo per annum. Applicants must 

 have had experience in teaching these subjects and should pos.sess a 

 University Degree in Science. Also a Trained Certificated TEACHER 

 to assist in teaching the above-named subjects. Salary in accordance with 

 the Board's Scale of Salaries. Applicants must have had experience in 

 Science Teaching (Theoretical and Practical). 



Applications (to be made on forms which will be sent on receipt of a 

 stamped and addressed foolscap envelope) must reach the Clerk on or 

 before January 15, 1902, 



A. W. HAI.DEN, Clerk. 



School Board Offices, Dynevor Place, Swansea, 



De 





IQOI 



UNIVERSITY COLLEGE OF NORTH 

 WALES, BANGOR. 



(A CONSTITUENT COLLEGE OF THE UNIVERSITY 



OF WALES.) 



Applications are invited for the Post of ASSISTANT LECTURER 



ved not later than Tuesday, 

 further particulars may be 



MATHEMATICS, now Vacant. Salary i, 



Applications and testimonials should be rec 

 January 21, by the undersigned, from whoi 

 obtained. 



JOHN EDWARD LLOYD, M.A., 



December 10, tgoi. .Secretary and Registrar. 



SOUTH AFRICAN COLLEGE SCHOOL, 



CAPE TOWN. 



WANTED, SCIENCK MASTKR (Graduate) to teach Chemistry and 

 Physics. Salary, Iz^o, with Science Grant, Merit Grant and Pension. 

 Work commences on April i, 1902. 



Applications, with six copies of testimonials, to be sent by January 24 to 

 Sir James Russell, Woodville, Canaan Lane, Edinburgh, from whom 

 further partiLulars may be ohlaintd. 



W^ANTED in February next, an Assistant 



thoroughly acquainted with Agricultural Boiany. Must be well up in 

 the purity and germination tests of agricultural and grass seeds. One 

 who has been at one of the seed-control stations aljroad preferred. 

 Salary, £,\'io. — Applications, accompanied with recent testimonials, to 

 the Directors, Aynsome Agricultural Station, Cartmcl, Grange-over- 

 Sands, Lanes. 



HEATHCOTE SCIENCE 

 LABORATORIES. 



COMMERCIAL .md SCIENTIFIC RESEARCH work c;inbe carried ou' 

 in these Laboratories in CHEMISTRY, ELECTRICITY, General 

 PHYSICS and BACTERIOLOGY, RMOtgen Ray Work and Photography 



'" ' : Laboratory if desired. Powerful 



E^T 



ELECTRIC Cur. 



litable 



nd Cliiss Tuition in the above Subje 

 THE DIRECTOR, 

 Heathcote Street. Gray's Inn Road. 



ELECTRICAL AND MECHANICAL 

 ENGINEERING SCIENCE. 



TAUGHT BY CORRESPONDENCE EXERCISES, DRAWINGS 

 AND INSTRUCTIONS. 

 Apply to Professor ANDREW JAMIESON, M.Insl.C.E., F.R.S.E. 

 t6 Rosslyn Terr.ice, Kelvinside, Glasgow. I'rospectus (Post Free), td. 



BIRKBECK INSTITUTION, 



Breams Buildingfs, Chancery Lane, E.C. 



Pkinchai. : 1;. .\RMirAGl',.SMlTH, .\I.A. 



Science Classes with Practical Work. 



DAY AND EVENING COURSES for— 



UNIVERSITY of LONDON. ^H.Sc. Pass and Honours, 

 Inter. Sci , Prelim. Sci., and Inter. M.li. (Chemistry) Examinations. 

 CONJOINT BOARD, DENTAL and PHARMACEUTICAL 

 EXAMINATIONS. 



COMPLETE DAY COURSE IN METALLURGY AND MINING. 

 HIGHLY EQUIPPED LABORATORIES, for— 



CHEMISTRY. PHYSICS, BIOLOGY (ZOOLOGY and BOTANY), 

 METALLURGY, GEOLOGY and MINERALOGY. 

 EVENING CLASSES in all BR.\NCHES of SCIENCE. 

 Prospectus free. Calendar (Session 1901-2) ed. By post 3d. 



Sales t>? auction. 



BRITISH AND E.XOTIC I.EPIDOPTERA, CAIUNETS. 

 BOOKS, &c. 



MR. J. C. STEVENS will Sell by Auction, 



at his Great Rooms, 38 King Street, Covent Garden, on TUESDAY, 

 the 2ist of January, 1902, at half-past 12 o'clock precisely, the Collec- 

 tions of liritish Lepidoptera formed by the Rev. F. Marshall, Rev. 

 E. li. Brackenhurv, and S. J. Wilkinson, Esq. (the latter including 

 the British Tortoices). also British and Exolic Lepidoptera .and 

 Coleoptera ; a small Library of Natural History Books, the property 

 of the late Dr. Livett of Wells ; together with the Cabinets in which 

 the above collections are contained. 

 Catalogues in course of preparation. 



TUESDAY, JANUARY 28. 



THE NATURAL HISTORY AND GENERAL LIBRARY OF THE 



LATE G. R. RYDER, ESlJ., removed from 60 Ennismorc Gardens. 



MR. J. C. STEVENS will Sell by Auction, 



.It his Rooms, 38 King Street, Covcnt Garden. W.C, at ii.joo'clock, the 

 above. Amongst other important Works will be included :— ^Paxton's 

 " Magazine of Botany," 16 vols. ; Bentham's '* Flora Australicnsis," 7 

 vols.; Herbert's "Amaryllidaca; ;" Curtiss" British Entomology,',' 16 

 vols. ; Edwards' " Botanical Register," 30 vols. ; Curtis's *' Botanical 

 Magazine," 127 vols. ; Kooker's " Icones Plantarum, ' 27 vols. ; Lod- 

 didges' " Botanical. Cabinet," a large paper set ; Sowerby's "English 

 Botany, " 12 vols. ; Webb and Berthelots " Histoire Naturelle des lies 

 Canaries," 5 vols.; Parkin<on's " Paradisi," 1629; Husseys "British 

 Mycology," 2 vols ; Doedoen's " Herbal," 1578; Gerardes" Herbal," 

 1597 ; Andrews' " Engravings of Heaths," 4 vols. ; Curtis's " Flora 

 Londinensis," 6 vols. ; Blume's " Rumphia, " and " Flora Jarva:," and 

 m^y other important Works on Natural History, Extra Illustrated 

 Books, and Works of General Interest, 

 C.aal,:.;i.e< on ..|,|ilicalion. 



J. BACKHOUSE & SON, 



LIMITED, 



(SCIENTII'IC DEIWRTMENT) 



Supply all Botanical Material required for Lecture and Demon 



stration purposes and for Class-work. Fresh, or preserved in 



Alcohol. Insectivorous Plants. Plants for Physiological Experi. 



ments. Museum Specimens. Microscopical Preparations. 



Prices s'rirtlu moderate. 



GLASS BLOWING. 



All kinds of ExperimentalGlass 

 Blowing carried out for Scien- 

 tific Hen, Laboratories, &c. dJ. 



iNVENions' Ideas Worked Out «s per 

 Instructions. 



COSSOR, 



54 Farringdon Road, B.C. 



CARTON'S LATEST 



IMPROVED SELF-RECORDING 



BAROGRAPH. 



■Uiiiicd thrriuf:h ,ill OfliciaHS, on 

 the M.ike-s. 



XyA.'£tTOT^ AC CO. 



142 ST. JOHN'S ST., LONDON. 



Fully Illustrated List of Meteorological Instruments 

 (Including above) Post free, also List of Electrical Novelties. 



