NA TURE 



[January i6, 1902 



BACTERIOLOGY. 



KING'S COLLEGE, LONDON. 



Director— Professor Hewlett, M.D.. D.P.H. 



Demonstrator— H. S. Willson, M.B., D.P.H. 



SPECIAL CLASSES IN JANUARY. 



A class for Candidates for the D.P.H. (Bacteriology) will commence on 



January 13. 



A complete course of Instruction in Bacteriology (one monlh)for Medical 

 Practitioners, Veterinary Surgeons, Analysts, *Stc. Students may enter at 

 any imie. 



Instruction is also given in the Bacteriology of Fermentation, and in 

 Clinical and Chemical Bacteriology. 



The laboratories aie open dally for instruction and research. — For 

 syllabus, apply to the Sechktaky. 



EAST LONDON TECHNICAL 

 COLLEGE. 



A Course of Leclures and Laboratory Work in ELECTRO-CHE- 

 MISTRY will be given on Friday Evenings during January, 

 February and March, by Prof. R. A. LEHFELDT, D.Sc. Leclure, 7-8 ; 

 Laboratory, 8-10. Coniniencing January 10, 1902. Fee, loi. for the Term. 

 The Subjects dealt with will include the Theory of Primary and Secondary 

 Batteries, special attention being paid to points of interest in connection 

 with the Lead Accumulator. 



J, I.. S. HATTON, M.A., Director of Studies. 



BOROUGH OF SWANSEA. 



LECTURER IN METALLURGY. 



Applications are invited for the above Lectureship, which is rendered 

 vacant by the appointment of Mr. Crowther to an important post in 

 Australia. 



Salary, ;£2oo per annum, rising by annual increments of £,\a to j£25o. 



The Lecturer will be expected to enter upon his duties in the beginning 

 of February. 



Applications, with one set of copies of testimonials, should reach the 

 undersigned not later than Tuesday, January 28. 



Further particulars can be obtained from the Secretary at the College 

 J. TREVOR OWEN, M.A., Principal. 



THE 



DURHAM COLLEGE OF SCIENCE, 



NEWCASTLE-UPON-TYNE. 



PHYSICAL DEPARTMENT. 



The Council invite applications for the post of ASSISTANT 

 LECTURER AND DEMONSTRATOR. Salary, {,i.-io per annum, 

 rising to ^i^o per annum. _ Further particulars may be obtained from the 

 undersigned, to whom applications and testimonials must be sent not later 

 than February 3, 1902. 



F. H. PRUEN, Secretary. 



APPLICATIONS are invited up to May i 



for the position of ASSI SIANT CH KM 1ST in an Austr.tlian Manu- 

 facturing Industry. Salary, C^o per annum. Candidates must have 

 received a thorough scientilic training at a University or Institution of 

 University standing, and be preferably under 26 years of age. — Further 

 details can be obtained by writing to Messrs. Parbury, Henlyand Co , 

 ■io EaslchL-ap, London, to whom applications are to be addressed. 



AVANTED in February next, an Assistant 



thoroughly acquainted with Agricultural Botany. 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 abroad preferred. 

 Salary, ;£i2o.— Applications, accompanied with recent testimonials, to 

 the Directors, .-Vynsome Agricultural Station, Cartmcl, Grange-over- 

 Sands, Lanes. 



AVANTED AT ONCE.— Good Taxidermist 



as ASSIST.\NT to Principal ; one who has just completed appren- 

 ticeship.— .\pply, giving references and stating salary required, [o 

 DiKlicrOK OK MushUMS, Liverpool. 



COACHING for all EXAMINATIONS, 



PRACTICAL and THEORETICAL, in Chemistry, Physics .and 

 Physiology. Well-fitted Labor.atorics for Research Work, SCIENTIFIC 

 or COMMERCIAL, in Chemistry, Electricity, General Physics, 

 Bacteriology, Photography, and Rontgen Ray Work. 

 The Director, 



HEATHCOTE LABORATORIES, 



Heathcote Street, Gray's Inn Road. 



FOR SALE.— .ffipyornis or Roc's Egg of 



.Ma'J.-isascar. iij X 88 inches. Good Specimen.— Address, " .\ -,qs," 

 Walkers Advertisement Oflice, Aberdeen. 



Sales bi? Buctton. 



BRITISH AND EXOTIC I.EPI DOPTERA. CABINETS, 



HOOKS, .'ic. 



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* 

 tlons of British Lepidoptera formed by the Rev. F. Marshall, Rev. 

 E. B. Brackenrurv, and S. J. Wilkinson, Esq. (the latter including 

 the British Tortoises), also British and Exotic Lcpidoptera 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 cour-;e of preparation. 



TUESDAY, JANUARY 28. 



THE NATURAL HISTORY AND GENERAL LIBRARY OK THE 



LATE G. R. RYDER, ESQ., removed from 60 Ennismore Gardens. 



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



at his Rooms, 38 King Street. Covent Garden. W.C. at 12. 30 o'clock, the 

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

 " Maga/ine of Botany," 16 vols. ; Bentham's " Flora Australiensis," 7 

 vols.; Herbert's "Amaryllidacae ;" Curtis's" British Entomology," 16 

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

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

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

 Botany," 12 vols. ; Webb and Berthelot's '* Histoire Naturelle des lies 

 Canaries," 5 vols.; Parkinson's " Paradisi," 1629; Husscy's "British 

 Mycology," 2 vols. ; Doedoen's " Herbal," 1578 ; Gerarde's *' Herbal, ' 

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

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

 many other important Works on Natural History, Extra Illustrated 

 Eook<:, aiul Works of G-n-ral I i,h-r..--i. 



J. BACKHOUSE & SON, 



LIMITED, 



(SCIENTIFIC DEPARTMENT) 



Supply all Botanical Material required for Lecture and Demon 



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



Alcohol. Insectivorous Plants. Plants for Physiological Experi 



ments. Museum Specimens. Microscopical Preparations. 



Prices strictly moderate. 



AN UNIQUE SERIES OF LANTERN SLIDES 



From Negatives 

 Nesls, Eggs and Yo 



"LIYING ANIMAL S." 



Fifty Slides, from recently taken Negatives. 



SoU Publishers : 

 S.\NDERS & CROWHURST, 71 Sh-aflesbury .\v 



;*- I.KT5 Po-T Ywrr. 



TO SCHOOLS AND STUDENTS. 



ASTON & MANOEn : 



.il .li; 



: otr Li> 



DRAWING INSTRUMENTS, 



1 are made in their own ^workshops, by skilled men, to the 



highest degree of accuracy and finish. 



S«- Illustrated List free on- luenlioning Nature. 



STTIDKNTS' CASK.S from 4s. 6tl. In £3 3s. 



;l OLD COMPTON STREET, LONDON, W. 



SECOND-HAND 



INSTRUMENTS. 



C. BAKER, 244 HIGH HOLBORN, LONDON. 



REGULATOR CLOCK, dead beat, jcivdled pallets, mercurial pendu 

 lum, a bargain. £25. 



Astro TELESCOPE, bv Cooke, -J' object-glass, solid equaioria 



mount and clock. £150. 



POWELL & LEALAND No. 1 MICROSCOPES, with apparatus, 

 £50 10 £70. 



C.,t,,h<i::,e post free to rea.fers ,.^ X.m i kk. 



-u 



DARTONS LATEST 



(^IMPROVED SELF-RECORDING 



BAROGRAPH. 



1 be obtaii 



d througi, oil O/licians, or 0/ 

 the iV.U-ers. 



F. TtAJItTO-BS SC CO., 



ClEKKEN-WELL OT'TI, AI. WilRKS, 



142 ST. JOHN'S ST., LONDON. 

 t0~ Fully Illustrated List of Meteorological Instruments 

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



