LF/1THR OF TRANSMITTAL. 



< 'A.MUKiixiE, MASSACHUSETTS, Drrriiiln'r ;.'2 



SlR: I send herewith tor voiir acceptance a descriptive account of the 

 Adephagous and Clavicorn Coleoptera of the Tertiary beds of Florissant, 

 Colorado, together with a catalogue of the non-rhynchophorous fossil 

 Coleoptera of North America, intended as a complementary volume to my 

 Monograph, already published by the Survey, on the Tertiary Rhynchoph- 

 orous Coleoptera of the United States. 

 Very respectfully, yours. 



SAMUEL 11. SCUDDER. 

 Hon. ('. 1>. WALCOTT, 



Director U. <S. (Imlwfu-al S/irrri/. 



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