252 



7Ii. Siltyriis I'^iIlp., Tran.H. Am. Ent. Soc, ',], ;J74 {(Jrnptu); lb., Hull. N. Am., 

 1, pi. (jiraptn 0, fi/.(fl. 1-4 (Gmpta) ; Kirb., Syn. Cat. Lop., MH{Nyrnphalii). 

 Rocky Mountain district and Pacific Coant, from Colorado and Ct-ntral Cali- 

 fornia to HritiHli Amorica; Northern Ontario. 

 Food-plant: Urtica. 



74. Miirsya.S Kdit., Trans Am. Ent. Hoc, 3, W) (G rapid); Kirb., Syn. Cat. 



Li'p., 04H (NuinplKiliH). 

 California. 



Marsyas and S/iti/ruH will very likely prove to be dimorphic forms of a single 

 species. 



75. Zcphyrus Edw. (Grapta). 



IIylas Edw., Trans. Am. Ent. Soc, 4, 08 {Graptri). 



Progne Boisd. (nee Cram.), Ann. Soc. Ent. Fr. [3] 10, 306 ( Faweaaa). 

 TiriODAMAR Scudd. 

 Zcphyrus Edw., Trans. Am. Ent. Soc, 3, 16 {GrnpUi) ; lb.. Butt. 

 N. Am., 1, pi. Grapta 6, figs. 5-9 {Grapta) ; Kirb., Syn. Cat. Lep., 

 648 {Nymphalis). 

 Rocky Mountain region from Fort Simi)son to Colorado, and westward to 

 the Pacific. 



Food-plant : Azalea occidcntalis. 



76. Faunus Edic. {Grapta). 



viuESCENS Scudd. 

 i^l<M?i«s Edw., Proc. Acad. Nat. Sc. Phil., 1802, 222 ((?/•«;)?«) ; lb., 

 Butt. N. Am., 1, pi. Grapta 1, figs. 1-4; Kirb., Syn. Cat. Lep., 182 

 {Vanessa); lb., Syn. Cat. Lep., Qi% {Nymphalis); Scudd., Syst. 

 Rev., 10. 

 ? Progne Gosse, Can. Xat., 96, 278 {Grapta). 



GRACILIS Grote-Rob., Ann. N. Y. Lye. Nat. Hist., 8, 4.32 {Grapta). 

 c-argenteum (pars) Scudd., Proc. Ess. Inst., 3, 169 {Grapta). 

 British Possessions and Northern United States, over the eastern half of the 

 Continent, following down the Apalachians, even as far as Georgia, and reach- 

 ing northward to the barren lauds. 



Food-plants: Sulix humilis, Betula lenta. 



77. Sileiius Edir., Trans. Am. Ent. Soc. 3, 15 {Grapta); lb.. Butt. N. Am., 2, 



pi. Grapta 1, figs. 1-4 {Grapta); Kirb., Syn. Cat. Lep., QH {yymphalis). 

 Oregon to Vancouver's Island. 



78. Oreas Edxo., Trans. Am. Ent. Soc, 2, 373 {Grapta) ; Kirb., Syn. Cat. Lep., 



183 ( Vanessa) ; lb., Syn. Cat. Lep., 648 {NympTialis). 



; c-album Behr, Proc. Cal. Acad. Nat. Sc, 3, 123 {Grapta). 

 California. 

 Oreaa and Silenus will very likely prove to be dimorphic forms of one species. 



