BY THE SAME AUTHOR. 



NUTRITION AND EVOLUTION. 



" Will more than repay the attentive perusal of 

 serious students of science." The Scotsman. 



"A volume of real, deep interest . . . must be 



recognised as worthy to rank in first-rate criticism." 



Daily Chronicle. 



SURVIVAL AND REPRODUCTION. 



" Toujours du plus haut interet." La Nature. 



" The author's propositions are certainly interesting 



and worth further testing by research." 



Neue Weltanschauung. 



EVOLUTION BY CO-OPERATION. 



*' Mr. Reinheimer's treatment of the subject is un- 

 doubtedly able and suggestive." The Times. 

 " His thesis is a good one ; biological co-operation, 

 similar to economic co-operation, must be taken into 

 account. . . . He has interesting observations 

 on the fallacy of in-feeding, which is parallel to 

 in-breeding. . . . The book is suggestive." 



Nature. 



"L'auteur s'attache a demontrer cette verit6 et a 

 montrer son importance en biologic. II la retrouve 

 dans les divers problemes et la met en lumiere par 

 des examples varies et bien choisis." La Nature. 

 "There is much in the work that is interesting." 

 Journal of Economic Biology. 



" He has called attention to an aspect of the ' web 

 of life' which is apt to be neglected." 



Cambridge Review. 



" A thoughtful and suggestive inquiry into the 

 relation between evolution and the economics of 

 life." The Scotsman." 



"We have found the book interesting and sug- 

 gestive." British Medical Journal. 

 "It is full of matter which at the same time satisfies 

 and stimulates the mind." The Theosophist. 



