IV 



SCIENCE- G OSSIP. 



CITY OF LONDON COLLEGE, 



WHITE STREET, MOORFIELDS, E.C. 



{Near Moorgate Street and Liverpool Street Stations.) 

 Principal : - SIDNEY HUMPHRIES, B.A., LL.B. 



FIFTY-FOURTH SESSION BEGINS ON SEPT, 30, 1901, 



EVENING CLASSES in ALL BRANCHES of SCIENCE 

 at almost nominal fees. 



Well-equipped LABORATORIES for Practical Work in 

 CHEMISTRY, BIOLOGY, BOTANY, GEOLOGY, and all 

 branches of PHYSICS. 



Special Classes for London University, Conjoint Board, and 

 other examinations. Classes are also held in all Commercial Sub- 

 jects, in Languages, Literature, and Art. All Classes are open 

 to both sexes. Library, Reading and Coffee Rooms open to 

 members. Numerous valuable prizes awarded annually. 



Prospectuses, and all other information, gratis on application. 



DAVID SAVAGE, Secretary. 



ALFRED H. BASTIN, 



ENTOMOLOGIST, 

 Ivy House, 28 New Road, Reading. 



All kinds of apparatus for the use of Entomologists kept in 

 stock. A large stock of Exotic Insects of all kinds. A special 

 40- page Descriptive List may be had free on application by intend- 

 ing purchasers. Special cases illustrating " Warn ng Colours," 

 " Mimicry," " Protective Resemblance," &c, can be supplied at 

 very low rates. Correspondence invited. Second-hand cabinets 

 bought and sold. 



BIRDS' EGGS, SKINS, SHELLS, 

 INSECTS, APPARATUS, 



and Requisites Of all Kinds, sold, bought, and exchanged. 

 Fifty-page Price List on receipt of stamp. Established 20 years. 



CHARLES JEFFERYS, Naturalist, 



TETBTJBY, Gloucestershire. 



PHYSIOGRAPHY, MINERALOGY, &c. 



Collections, Specimens and Seiits of Recks, Fossils, and Minerals, 



Rock-forming Minerals, also for Chemical and Metallurgical 



Work, &c, can be supplied at moderate prices by 



JAMES R. GREGORY & CO., 



1 KELSO PLACE, KENSINGTON, LONDON, W., 



Suppliers to Science and Art Department, British Museum, India, 



Colonies, &c. 



Microscopic Sections of Rocks and Minerals. 



Lantern Slides of typical Rock Sections. 



LISTS FREE ON APPLICATION. 



POPULAR ASTRONOMICAL LECTURES 



(WITH LANTERN ILLUSTRATIONS. 



Mr. FRANK C. DENNETT (Departmental Editor 

 for Astronomy of "Science-Gossip") is booking dates for the 

 coming season. Terms, &c, on application. 



60 Lenthall Road, Dalston, London, N.E. 



WANTED— LECTURES 



FOR WORKING MEN 



(Honorary preferred). TUESDAY EVENINGS at 8.30, at 

 Marylebjne Natural Science Society's Museum, 4C4 Edgware 

 Road, N.W. Apply (by letter only) to 



Rev. H. J. WEIGHT, at above address. 



LANTERN LECTURES 



On " BRITISH SERPENTS" (Habits, Life-history, Incidents, 

 &c), Illustrated by Specimens and Slides made frcm Photographs 

 of living Adders and Ring Snakes. Terms, dates, &c, to 

 DP. LEIGHTON, 



Grosmont, Pontrilas, Herefoid. 



3C New Session Commences 30th September. 



BIRKBEGK INSTITUTION, 



Breams Buildings, Chancery Lane, E.G. 



Principal : G. Armitage-Smith, M.A. 

 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, Experimental Physics, 

 Biology (Zoology and Botany) and Metallurgy. 



LECTURES on Political Economy, Commercial Geography, Com- 

 mon Law, Bankruptcy, Equity and Conveyancing, Logic, 

 Psychology and Ethics ; French, German and Italian 

 Literature. 



CLASSES in Classics, Modern Languages, Literature, English and 

 Commercial Subjects. 



CONJOINT BOARD : Lectures and Practical Work in Chemistry, 

 Physics. Biology and Practical Pharmacy. 



SCHOOL OF ART (Day and Evening).- Drawing, Painting, 

 Designing, Modelling, Life Classes, Wood Carving, &c. 



CIVIL SERVICE.— Assistant Surveyor of Taxes, &c. ; Second 

 Division, &c. prospectus free. 



Calendar 6d. (by post Sd.) on application to the Secretary. 



BUTTERFLIES. MOTHS. 



Best value given for Collections from all 

 parts of the world. 



Travellers' own Collections named, ar- 

 ranged, and mounted. 



Many fine species for sale. 



PERCY I. LATHY, 



Sydney Road. Enfield, England. 



BRITISH SPIDERS. 



I shall be pleased to help anyone working up local lists 

 of British Spiders by naming specimens FREE. Postage 

 for return of collections should be enclosed. 

 FRANK P. SMITH, 



15 Cloudesley Place, Islington, 

 London, N. 



COLLECTIONS OF 



SHELLS, FOSSILS, to., 



Also DUPLICATES cheap. 



MINERALS, 



Fop SALE 

 Appjy to ;p\ jvi. HELE, 



Warwick Lodge, KNOWLE, near BRISTOL. 



KODAK SPOOLS 

 DEVELOPED. 



Brownies, 9d. 

 Pocket K., 1/6 

 No. 1 F.P.K., 21- 

 No. 1 Panoram, 2 - 

 No. 2 Kodaks, 2/6 



Negatives promptly, returned post free. 



Kodaks and all Photographic Requisites. 



A, HOWARD 



LATE \ 



EBBAGEj) 



Chemist GT. YARMOUTH. 



The Journal of Malacology. 



Established in 1890 as "The Conchologist, a Journal of 

 Malacology." 



Edited by WALTER E. COLLING E, F.Z.S., 



President of the Midland Malacological Society. 



With the co-operation of 



Dr. Josef F. Babor, the Rev. A. H. Cooke, M.A., F.Z.S., Charles 



Hedley, F.L S., E.R. Sykes, B.A., F.Z.S., B. B. Woodwaid, F.G.S. 



Indispensable to all Students of the Mollusca 



In addition to numerous papers on the anatomy and classification 



of the Mollusca, and on rtcent and fessil shells, it contains Reviews 



and Abstracts of all the important current publications. 



Fully Illustrated. Prepaid Subscription, 12s. per volume. 



All communications to 



W. E. COLLINGE, Mason University College, Birmingham. 



