356 Zepidqpterological Contributions. 



D. obscura, we would regard a small species, rarely found in 

 the Atlantic States, which, compared with D. pallida from 

 Cuba, is a smaller, slighter, and darker species. These speci- 

 mens differ from Hiibner's figure of Erinnyis stheno quite 

 strongly, so that we are not disposed to record Hiibner's 

 species as synonymous with D. obscura for the present, 

 although so cited by Mr. Walker in the British Museum Lists. 

 We have lately received specimens of D. caricae from Mexico, 

 so that this species may be included in our catalogue. Dr. 

 Gundlach has confided to Mr. Grote a MS. species under the 

 specific name, congratulans, and which has been described 

 under that name by Mr. Grote as Erinnyis congratulans, 

 Gundlach. The name is here changed to Dilophonota congra- 

 tulans, Gundlach, under the authority given by its discoverer 

 to Mr. Grote. 



Tribe Choerocanvpini. 



Choekocampa, Duponchel. 



Choerocampa laevis, 11. §. 



(Plate 14, fig. 1, ? .) 



Size large ; anterior wings falcate, acutely produced at the 

 apices, immediately below which the external margin is slightly 

 sinuate, thence straight, very slightly rounded, to internal angle ; 

 posterior wings acutely produced at apices, which are depressed ; 

 external margin unevenly sinuate. Primaries, pale, dull, olivaceous 

 ash color, sparsely irrorate with black scales, especially terminally and 

 along internal margin, where the wings acquire a warmer, some- 

 what ochraceous tint. An aggregation of longer black scales on 

 internal margin at extreme base, forming an irregular and rather 

 large maculation. An indistinct, transverse, angulated, blackish 

 shade over the disc at base. A neatly defined black discal dot. 

 An outwardly oblique, diffuse, blackish shade, immediately beyond 

 the disc, over the nervules. A blackish linear band runs from the 

 costa at apical fourth very obliquely to internal margin within the 



