1 8 Scientific Works published by Longmans, Green, cj Co. 



HEALTH AND HYGIENE-''////""/. 



CORFIELD.'\;\\K LAWS OF HEALTH. By W. H. COR- 



KIELD, M.A., M.D. Fcp. 8vo., is. 6d. 



FRANKLAND. MICRO-ORGANISMS IN WATER, THEIR 



SIGNIFICANCE, IDENTIFICATION, AND REMOVAL. Together with 

 an Account of the Bacteriological Methods Involved in their Investigation. 

 Specially Designed for the Use of those connected with the Sanitary Aspects of 

 Water Supply. By Professor PERCY FRANKLAND, Ph.D., B.Sc. (Lond.), 

 F. R.S., Fellow of the Chemical Society ; and Mrs. PERCY FRANKLAND. With 

 2 Plates and numerous Diagrams. 8vo., i6s. net. 



NOTTER AND FIRTH. HYGIENE. By J. L. NOTTER, M.A., 



M.D., and R. H. FIRTH, F.R.C.S. With 95 Illustrations. Crown 8vo., y. 6d. 



POOXE. ESSAYS ON RURAL HYGIENE. By GEORGE 



VIVIAN POORE, M.D. Crown 8vo. , 6s. 6d. 

 WILSON. A MANUAL OF HEALTH-SCIENCE: adapted 



for use in Schools and Colleges, and suited to the requirements of Students 

 preparing for the Examinations in Hygiene of the Science and Art Department, 

 etc. By ANDREW WILSON, F.R.S.E., F.L.S,, etc. With 74 Illustrations. 

 Crown 8vo. , zs. 6d. 



NATURAL HISTORY, EVOLUTION, ETC. 



CLODD. Works by EDWARD CLODD. 

 THE STORY OF CREATION : A Plain Account of Evolution. 



With 77 Illustrations. Crown 8vo. , y. 6d. 



A PRIMER OF EVOLUTION: being a Popular Abridged 



Edition of ' The Story of Creation '. With Illustrations. Fcp. 8vo. , is. 6d. 



f(7A'JVEAUX.\Vorks by WILLIAM S. FURNEAUX. 



THE OUTDOOR WORLD ; or, The Young Collector's Hand- 



book. With 18 Plates, 16 of which are coloured, and 549 Illustrations in the 

 Text. Crown 8vo. , js. 6d. 



BUTTERFLIES AND MOTHS (British). With 12 Coloured 



Plates and 241 Illustrations in the Text. -js. 6d. 



LIFE IN PONDS AND STREAMS. With 8 Coloured Plates 



and 311 Illustrations in the Text. Crown 8vo. , js. 6d. 



HUDSON. BRITISH BIRDS. By W. H. HUDSON, C.M.Z.S. 



With 8 Coloured Plates from Original Drawings by A. THORBURN, and 8 Plates 

 and ico Figures in black and white from Original Drawings by C. E. LODGE, 

 and 3 Illustrations from Photographs by R. B. LODGE. Crown 8vo. , 75. 6d. 



ROMAA r ES. \\ofos by GEORGE JOHN ROMANES, LL.D., 



F.R.S. 

 DARWIN, AND AFTER DARWIN : an Exposition of the 



Darwinian Theory, and a Discussion on Post-Darwinian Questions. 



Part I. THE DARWINIAN THEORY. With Portrait of Darwin and 125 



Illustrations. Crown 8vo. , los. 6d. 

 Part II. POST-DARWINIAN QUESTIONS: Heredity and Utility. With 



Portrait of the Author and 5 Illustrations. Crown 8vo. , 105. 6d. 



AN EXAMINATION OF \\ EISMANN1SM. Crown 8vo., 6 



