U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ANIMAL I NDUSTRY Bulletin 



D. E. SALMON, D. V. M., Chief of Bun 



I DETERMINATION OF GENERIC 1 TYPES, 



JST OF Rnrxmvoinr GENERA, WITH THEIR 



ORIGINAL AND TYPE SPECIES. 



CH. WARDELL STILES, Ph. D., 



Zoologist, U. S. I'nh/ic Health and Marine-Hospital Service; Consulting 

 Zoologist , Jlnrcctii of minimal industry, 



ALBERT HASSALL, M. R. C. V. S., 



Assistant in Zoology, Bureau of Ahhita/ Industry. 



WASHINGTON: 



GOVERNMENT I' K I N T I X C () K V I C F, . 

 1905. 



