112 Journal New York Entomological Society. [Vol. xiii. 



it differs therefrom in the smaller size, browner tint and greater diffu- 

 sion of the ocherous color below. 



Subfamily Hesperiin.e. 



SECTION A. 



Key to the Genera. 



1. Fore wings with a costal fold io. 



Fore wings without a costal fold 2. 



2. Apex of fore wings truncate Proteides. 



Apex of fore wings not truncate 3. 



3. Male with a tuft of hairs on hind wing above Cogia. 



Hind wing without such a tuft 4. 



4. Palpi ascending, second joint applied to face 5. 



Palpi porrect 7. 



5. Fore wings with vein 2 midway between vein 3 and base Heteropia. 



Fore wing with vein 2 arising well toward base 6. 



6. Club of antennae ovoid with fine point as long as the club Acolastus. 



Club gradually thickened, curved at the middle Telegonus. 



7. Vein 5 of fore wings not central, near to vein 6 Cabares. 



Vein 5 of fore wings central 8. 



8. Vein 3 of fore wings over 4 times as far from base as from cross vein. 



Rhabdoides. 

 Vein 3 of fore wings less than 4 times as far from base 9. 



9. Third joint of palpi long, porrect ; reflexed part of club not equal to the basal 



part Phaedinus. 



Third joint of palpi short ; reflexed part of club equal to the basal part. 



Thorybes. 



10. Hind wings with a long anal prolongation Eudamus. 



Hind wings without this prolongation II. 



11. Lower discocellular long and strongly arcuate Phocides. 



Lower discocellular short 12. 



12. Hind wings with a distinct anal lobe 13. 



Hind wings rounded 14. 



13. Fore wings elongate, pointed Epargyreus. 



Tore wings trigonate Plestia. 



14. Club insensibly enlarged with a fine point 15 



Club with the first part ovoid ending in a fine point Nascus. 



15. Fore wings with the apex sharply and squarely pointed Murgaria. 



Fore wings with the apex more rounded 16. 



16. Outer margin of hind wings nearly straight Achlarus. 



1 luter margin of the hind wings convex, rounded Cocceius. 



Genus PHOCIDES Hiibner. 

 Synopsis of Species. 



I. Hind wings entire; fore wings with a red spot lilea. 



Hind wings crenulated; fore wings without a red spot 2. 



