An Atlas of the 



Chromosome Numbers In Animals 



SAJIRO MAKINO 



Zoological Institute, Faculty of Scienct 

 Hokkaido University, Sapporo, Japar 



Second Edition 



(FIRST American Edition) 



Revised and Enlarged from 

 the original Tokyo edition 



I t « l» 



The Iowa State College Press 



Ames, Iowa 



