94 



will have priority over ismeria Bdv. and the synonymy of the two spe- 

 cies will be: — 



gorgone Hbn. 



ismeria Bdv. & Lee. 



carlota Reak. 

 phaon Edw. 



gorgone Hbn. 9 (nee S ). 



If it be contended that Boisduval by his description of ismeria 

 limited gorgone to the $ sex (Figs. 3 and 4) then phaon must fall. 



P. vesta Edw. 



In Butt. N. Am. II, Phyc. II, Edwards proposes the names hiema- 

 lis and aestiva for the two broods of this species. Hiemalis will sink 

 however as a direct synonym of vesta, which leaves aestiva Edw. to 

 apply to the summer generation. 



P. phaon Edw. 



In the same work mentioned in our note on the preceding species 

 Edwards proposes the same two names to separate the spring and sum- 

 mer forms. In this case however aestiva represents the typical phaon 

 and will sink into the synonymy whilst the name hiemalis Edw. is free 

 to be used for the spring form. 



P. tharos Drury. 



According to the original figures and descriptions both tharos 

 Dru. and morpheas Fabr. were described from specimens of the sum- 

 mer brood with pale underside of secondaries and morpheas Fabr. 

 must therefore sink as a synonym. Marcia Edw. is the name to be 

 retained for the spring form. Pascoensis Wright is the western form, 

 distinguished in general by the lack of black markings in the extra 

 discal area of both wings; packardi Saund. is a melanic aberration. 

 The synonymy would therefore stand as follows: — 



(a) tharos tharos Dru. Eastern States to Rocky Mts. 



cocyta Cram. 

 morpheas Fabr. 

 form vern. marcia Edzv. 

 ab. packardi Saund. 

 ab. reaghi Reiff. 



(b) tharos pascoensis Wright. Western States beyond the divide. 



