Standard Works on 



SCIENCE 

 Issued by Mr. Murray 



PRACTICAL ZOOLOGY : A Junior Course of 



By the late Professor A. MILNES MARSHALL, M.D., 



D.Sc., F.R.S., and the late C. HERBERT HURST, M.D. 



8th Edition. Revised by Professor F. W. GAMBLE, D.Sc., 



F.R.S., University of Birmingham. 123. net. 



" A most successful and important book .... It is 



provided with an exceedingly good index, and presented in a 



form demanding our sincere thanks." Nature. 



HEREDITY 



By J. ARTHUR THOMSON, M.A., LL.D., Regius Pro- 

 fessor of Natural History in the University of Aberdeen. 

 With Coloured and other Illustrations. 3rd Edition. 

 155. net. 

 " This is certainly the best modern book on heredity to 



recommend to the student and the intelligently curious." 



Science Progress. 



THE STUDY OF ANIMAL LIFE 



By J. ARTHUR THOMSON, M.A., LL.D., Regius 

 Professor of Natural History in the University of Aberdeen. 

 With many Illustrations. 4th Edition. 6s. net. 



An authoritative and thoroughly comprehensive exposition 

 by an author who is recognised as one of the leading author- 

 ities on the study of Zoology and Natural History. The 

 present edition has been expanded and largely rewritten. 



