WATKINS & DONCASTER, 



Manufacturers of Cabinets and Apparatus for 

 Collectors of Birds' Eggs, Insects, Plants, &c. 



A large stock of Insects, Birds' Eggs, &c. List of Clutches of Birds' 

 Eggs on application. Climbing Irons, best steel, with straps complete, 

 5s. per pair. Egg Collector's Outfit, containing Drills, Blowpipes, and all 

 Bequisites complete, with Book of Instructions, post free, 3s. 3d. Label 

 Lists of every description. Birds and Animals stuffed and mounted in 

 Natural Positions. Eor particulars see our Catalogue, one hundred pages. 



36, STRAND, LONDON, W.C. 



CHEAP SECOND-HAND AND NEW WORKS on 

 Ornithology, Conchology, Botany, Entomology, etc. List on 

 application. A few rare birds and varieties, also British and. tropical 

 Lepidoptera, Coleoptera, etc. Selections on approval. 



Particulars from A. FORD, 36, Irving Road, Bournemouth. 



THE AVICULTURAL MAGAZINE 



Edited by H. D. ASTLEY. 



For the study of Foreign and British Birds in Freedom and in Captivity, 



Monthly. About 32 pp. °f letterpress, luith frequent coloured and uncoloured 

 Plates and Text-figures. Price Is. Ad. post free. 

 Annual Subscription (November to October) 15s., post free, to non-members of 

 the Society. For terms of membership of the Society apply to publishers. 



E>IRDSNESTING & BIRD=SKINNINQ. A Complete 



*-* Description of the Nests and Eggs of Birds which Breed in Britain, 

 by Edward Newman. — Second Edition, with Directions for Collecting and 

 Preservation ; and a Chapter on Bird-skinning. By Miller Christy. Cloth, 

 foolscap 8vo. Price Is. Postage 2d. 



"Very good indeed, and can be thoroughly recommended." — Athenaum. 



ADLARD & SON and WEST NEWMAN, Bartholomew Close, London, EX. 



282 pp. Cloth Extra. 6s. 6d. Post Eree. 



Aristotle s Researches in Natural Science 



By THOMAS E. LONES, M.A., LL.D., B.Sc. 



With Illustrative Draiuings. 

 Contents : 



Introductory — Method of Investigation — Celestial, Atmospheric, and 

 Terrestrial Phenomena — Light and Colour, Heat and Sound— Animals, 

 Plants, and Inanimate Matter — Dissections — Homceomeria — Anhomceo- 

 meria and their functions — Animal Motion — Generation and Develop- 

 ment — Classification of Animals — Anaima, or Animals without Blood — 

 Enaima, or Animals with Blood. 



ADLARD & SON and WEST NEWMAN, Bartholomew Close, London, E.C. 



