WEST, NEWMAN & Co. 



LITHOGRAPHIC, CHROMO-LITHOGRAPHIC, AND 

 LETTERPRESS PRINTERS. 



54, HATTOIN G3RDEN, LONDON, E.C. 



DRINTERS of books on scientific subjects gene- 

 rally, but especially of books relating to Natural 

 History, Medicine, and Surgery. With these sub- 

 jects artists and workmen are especially familiar: 

 artists are on the spot ready to receive instruction 

 direct from authors at any time. 



Lithographers for various Government and other 

 Museums, and for learned Societies in London, India, 

 South Africa, &c. Original drawings are accurately 

 reproduced by Lithography or Photo-Lithography, 

 either in colours or monotone, or by line and half- 

 tone blocks. 



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 

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

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

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



36. STRAND, LONDON. W.C. 

 282 pp. Cloth Extra. 6s. 6c?. Post Free. 



Aristotle s Researches in Natural Science 



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

 With Illustrative Drawings. 



London: WEST, NEWMAN dt CO., 54, Hatton Garden, E.C. 



