AMERICAN LEPIDOPTERA. 333 



further apart than in G. aequinoctialis or (}. verniiculata. Seconda- 

 ries resembling primaries in coloration and ornamentation, but with 

 a very faint bluish reflection. A large central yellow patch, analogous 

 to the spots at the middle of primaries, is divided by the median ner- 

 vure into two unequal spots, while the third, at base of fourth nn^dian 

 nervule, is obsolete. Two ovate yellow spots are situated opposite the 

 disc, and are separated by the black first median nervule. Under sur- 

 face of both wings resembling upper. The fringes on either pair are 

 black, faintly touched with white at the apices of primaries and costal 

 angles of secondaries. 



Expanse, % 50m.ni.; 9 OOiii.m. Leiuithofhodi/, SIT m.ni.; 9 20m. m. 

 Habitat. — California. % 9 , Mus. Birol. 



Dedicated to ]Mr. C. Hopffer, the well known Lepidopterist, to whose 

 obliging courtesy we were much indebted during our recent stay at 

 Berlin, and to whom we owe the privilege of examining many rare 

 North American Lepidoptera, contained in the excellently preserved 

 collection of the Berlin Museum. Gr. HopflFeri is readily distinguished 

 from either of its congeners, by its superior size and the yellow color 

 of the alar spots. In the conformation of the median patches on both 

 wings, it resembles rather G. aequinoctialis than G. vermiculata, as al- 

 so in that the external margin of the secondaries is slightly more angu- 

 lated and less rounded than in the species from Colorado Territory. 

 In the British Museum Collection, and in that of Dr. J^oisduval, in 

 Paris, are specimens of G. Hopfferi under an erroneous generic deter- 

 mination and unpublished specific "name. Numerous specimens of G. 

 ridpfferi are contained in the extensive collection of Dr. Felder, in Vi- 

 enna; this eminent lepidopterist also possesses specimens of a i'ourth 

 species of Gnophaela^ from Mexico, allied to our (i. vermiculata IVom 

 Colorado Territory. 



Family BOMBYCIDAE. 

 8ul)-family Arctiinae.* 

 EPICALLIA, Hubner. 

 ]. Epicallia virginalis. (Plate 6, fig. 42, % .) 



Vheloiiia vinjinalis, Boisd., Lejj. Cal., p. 49. (1S52). 

 Arctia virginalis, Walk., Cat.. Lep. B. M., Pt. 'A, p. 611. (1855). 

 Arctia virgina/i.s, Morris, Syn. Lep. N. Am., p. '.'io7. (ISdd). 

 Epicallia virginalis, Packard, Syn. N. A. Bomb., Proc. Eat. Sot;. Pliil. ji. lOS. 

 (1864). 



Habitat. — California ! 



* Arctiidae, Stephens. For the sake of conformity, the Sub-family termina- 

 tion is here and elsewhere apj^lied to the names hitherto employed to designate 

 grouj)S of this value;, which have not apparently received such corrections. 



