U S GEOLOGICAL SURVEY OF THE TERRITORIES 

 Tertiary Insects of North America 



Pl 7, 









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H'V 



JK?^, 



i '^ (^ 



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38- 



T Sinclair & Son. Ijilh Phila 



Grekn River Beds, Wyom:ing Terr. 



Hjcmipteha Coleohteha. 



