4* 



FIELD AND FOREST. 



Lepidoptera of Big Horn Mountains. 



The following is a list of the species of butterflies collected by myself 

 the past summer (July, 1877,) in Big Horn Mountains, and identified 

 by Wm. H, Edwards : 



Papilio eurymedon, Bois. 

 Parnassius smintheus, Doub., 



3 var., common. 

 Pieris protodice, Bois. 

 Anthocharis Julia, Edw. 

 Anthocharis ausonides, Bois. 

 Colias eurytheme, Bois. 

 Colias philodice, Godart. 

 Danais archippus, Linn. 

 Argynnis halcyone, Edw., rare. 



" alcestis, Edw., common. 



" eurynome, Edw. 

 Euptoieta claudia, Cram. 

 Melitasa nubigea, Beh. 

 Melitasa palla, Bois. 

 Phycirdes carlota, Reak. 



" camillus, Edw. 



" tharos, Drury. 

 Grapta progne, Cram. 

 Pyrameis cardui, Linn. 



Vanessa milberti, Godart. 

 Limenitis disippus, Godart. 

 Limenitis weidemeyerii, Edw. 

 Coenonympha ochracea, Edw. 

 Erebia epipsodea, Butler. 

 Hipparchia Ridingsii, Edw. 

 Satyrus boopis, Beh. 

 " nephele, Kirby. 

 " charon, Edw., common. 

 Chionobas chryxus, Doub. , common. 

 Thecla Sheridonii, new species ; 



common, about 8000 elev. 

 Thecla mopsus, Hubn. 

 Lycaena catalina, Reak. 



" melissa, Edw. 



" pheres, Bois. 



" lygdamas, Doub. 



" glaucon, Edw. 

 Thymelicus, hylax, Edw. 



Thecla Sheridonii, new species, is named in honor of Lieut. Gen. 

 P. H. Sheridan, U. S. Army, by W. H. Edwards, Coalburg, West Vir- 

 ginia, at the request of W. L. Carpenter, U. S. Army. Size and form 

 of T. Dumetorum, Bois., to which it is allied. Expanse of wings 

 1. 10 inch. Upper side uniform pale black ; under side of both wings 

 green, except along hind margin of primaries, where the color is whitish 

 brown ; across both wings passes an extra discal narrow white band, 

 ruscular on primaries, but continuous on secondaries and straight from 

 costal margin to minor margin a little above anal angle. 



W. L. Carpenter, U. S. A. 



