88 BIOLOGICAL SURVEY OF 



Basilakchia Scudder 



B. ARTHEMis Drury. Banded purple. Common. Bar Har- 

 bor ; Echo Lake ; S. W. Harbor, July 12-Sept. 7. The larva 

 feeds on birch, willow, and poplar. 



B. ARTHEMIS var. PROSERPINA Edw. Oue specimen was taken 

 at Echo Lake, July 17, 1918. This form, which is common 

 in the Berkshires and Catskills, is considered a hybrid be- 

 tween the more southern Basilarchia astyanax and the 

 northern B. arthemis. If so, the former must occasionally 

 reach Mt. Desert. In discussing the probable occurrence 

 of proserpina at Halifax, Nova Scotia, Mr. Scudder says: 

 ''It is not at all improbable that ursula [asti/anax] may 

 yet be found as far north as Mt. Desert, and that colonies 

 of proserpina are now living along the whole coast of 

 Maine." (See Butterflies of New England, vol. 1, p. 291, 

 1889.) 



B. ARCHippus Cram. 'Vicero5\' Not common. Bar Harbor, 

 Aug. 15. The larva feeds on willow and poplar, 



Satyridae 



Enodia Hiibner {Bchis Westwood) 



E. PORTLANDiA Fab. Pearl-eyed nymph. Local in its distribu- 

 tion, wood near the Sieur de Monts Spring ; Salisbury Cove, 

 July 18-24. The larva feeds on grasses. 



Satyrodes Scudder 



S. CANTHus Linn. Common grass nymph. Bar Harbor; Sal- 

 isbury Cove; S. W. Harbor, July 10-24. The larva feeds 

 on grasses. 



Cercyonis Speyer (Satyrus Westwood) 



C. ALOPE Fab. Common nymph or grayling. Common 

 throughout the island from July 25 to Aug. 30. The larva 

 feeds on grasses. The most interesting feature connected 

 with this species is that here both the typical alope and 

 the varieties maritima Edw. and nephele Kirby are equally 

 abundant at the same time and place, with all gradations 

 present. As nephele is the more northern form and the 



