SMITHSONIAN INSTITUTION 



UNITED STATES NATIONAL MUSEUM 

 bulletin 108 



A REVISION OF THE NEARCTIC 

 TERMITES 



BY 



NATHAN BANKS 



Of the Museum of Comparative Zoology, Cambridge, Massachusetts, 



WITH 



NOTES ON BIOLOGY AND GEOGRAPHIC 

 DISTRIBUTION 



BY 



THOMAS E. SNYDER 



Of the Branch of Forest Entomology, Bureau of Entomology , 

 United States Department of Agriculture 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1920 



XBBUk 



