no 



Northern New England to Pennsylvania, westward through Ottawa and 

 Loudon in Ontario, Michigan and Illinois, to Nevada, California and Vancou- 

 ver's Island (Nicaragua). 



Food-plant: iSalix. 



The Californian specimens of this species which I have seen differ from 

 eastern examples only in having the upper surface of the wings usually of a 

 slightly warmer tint, and in the more frequent spreading of the fulvous spot 

 (upon the upper surface of the hind wings), into a pale fulvous bloom over the 

 surrounding parts; but neither of these features is peculiar to them. The 

 spot on the under surface of the hind wings in the costo-subcostal interspace 

 seems also to be further removed from the base than in eastern examples. At 

 most the two might be considered geographical races <5f one species, but I think 

 them scarcely worthy of even that distinction. The form found in the moun- 

 tains of California (Lake Tahoe, &c.,) and Nevada, has been described as dis- 

 tinct under the name of Cygnus; it is of a richer and darker color than valley 

 specimens, with larger spots ; perhaps it is worthy of a varietal name. 



220. Eilward.sii 5(j?mfZ., MS., Grote-Rob., Trans. Am. Eat. Soc.,1, 172 {Theda). 



Falacer Harr. (nee God.), Ins. Inj. Veg., 3d Ed., 276 {Theda). 

 Calnnus Grote-Rob. (nee Hiibn.), Trans. Am. Eat. Soc, 1, 172-3 



{I'heda). 

 Fabricii Kii'b., Syn. Cat. Lep., 654 {Theda). 

 Southern New Hampshire, Southern Ontario, Wisconsin and Iowa, to Penn- 

 sylvania (?) Foot-hills of Colorado. 

 Food-plant: Quercus ilicifoUa. 

 The name Fabricii, given by Kirby, is evidently an error of copying. 



221. loratil Grote-Eoh., Trans. Am. Eut. Soc, 1, 171-3 {Theda). 

 Virginia. 



Possibly this is not distinct from the following species, but I have never 

 noticed in that the delicate line of blue scales near the base of the wings 

 beneath. 



222. CaLanus Ili'tbn., Samml. Exot. Schmett.,1 {Bnsticus armatus); lb., Ind. 



Exot. Lep., 2 {Strymon) ; Doubl., List Lep. Br. Mus., 2,30-31 {Theda). 

 Falacer GoA.y'E.ucyci. Meth., 9, 633 {Polyommatus); Boisd.-LeC, 



Lep. Am. Sept., 92-4, pi. 29, figs. 1-5. 

 inorata Grote-Rob., Trans. Am. Ent. Soc, 1, o2^-^{Theda). 

 ? auretorum Boisd., Ann. Soc. Eut. Fr. [2], 10, 288 (Theda). 

 Canada, Michigan, and Central Iowa to Eastern Kansas, Texas, Alabama, 

 and Georgia; California? 

 Food-plants: Quercus rubra, Q.falcata, etc.; Gary a, Crataegus {^j- 

 Although Calanus has not yet been recognized in recent Californian collec- 

 tions, T. auretorum Boisd., appears to me to have been described from a poor 

 specimen of this species. 



