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SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 143, NUMBER 6 



THE CATERPILLAR AND THE 

 BUTTERFLY 



By 



R. E. SNODGRASS 



Research Associate 

 Smithsonian Institution 



(Publication 4472) 



iMQV 



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{ JBRP& l^f 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



NOVEMBER 3, 1961 



