SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 143, NUMBER 6 



THE CATERPILLAR AND THE 

 BUTTERFLY 



By 

 R. E. SNODGRASS 



Research Associate 

 Smithsonian Institution 





«» 



^<5? «2P^ 



(Publication 4472) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



NOVEMBER 3, 1961 



