TEXT-BOOKS OF ANIMAL 

 BIOLOGY 



Edited by Professor Julian S. Huxley 

 Other volumes in preparation. 



ANIMAL ECOLOGY. By C. S. Elton. 



VERTEBRATE MORPHOLOGY. By 

 G. R. DE Beer. 



EXPERIMENTAL ZOOLOGY. By Julian 

 S. Huxley. 



ANIMAL MORPHOLOGY, WITH ESPE- 

 CIAL REFERENCE TO THE IN- 

 VERTEBRATA. By W. Garstang. 



