SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 107, NUMBER 7 



THE INSECT CRANIUM AND THE 

 ''EPICRANIAL SUTURE" 



R. E. SNODGRASS 



Collaborator, Bureau of Entomology and Plant Quarantine 

 U. S. Department of Agriculture 





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(Publication 3896) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



JULY 30, 1947 



