MEMOIRS OF THE NATIONAL ACADEMY OF SCIEiSTCES. 189 



scalloped; internal an^le roundtd, and a little within the middle of the inner margin is a 

 prominent tult of dark scales; onter edge scalloped. 



Venation: The second and third snbcostal venules are very near each other, the subcostal 

 cell very naiTow, linear; the fourth subcostal vein arises within the middle of the subcostal cell. 

 The upper branch of the third subcostal is very short and passes straight to the costa just before 

 the apex. The upjier discal vein is carved somewhat obliquely inward to the origin of the lifth 

 subcostal venule, tUeu passing very oblirpiely, and uncurved, to the middle of the discal space, 

 where it meets the lower discal vein, which is perpendicular to the cubital venule from which it 

 arises. The venation of both wings is in fact just as in Schizura. llind wings a little more 

 pointed at the apex than in Schizura; costa straight, bent down somewhat at the apex; outer 

 edge oblique, not very full, bent slightly on the lirst median interspace. 



Legs: Femora buried and concealed in the long scales of the breast; fore tibi:e densely 

 pilose, presenting a Hat ex])anse on each side; the middle and hind tibiic with two long sharp, 

 nearly equal spurs. 



Abdomen long, cylindrical, the tip square, scarcely tufted. 



Coloration: Gray with darker streaks obliquely crossing the costa. The single species of our 

 fauna is more slashed and streaked than any of our other Notodontians. 



This genus, both in its larval and adult characters, is so near Schizura that it seems scarcely 

 necessary to regard it as separate, and it may ultimately be found best to unite it with that 

 genus. It only differs in the scalloped fore wings, the rather stouter and shorter palpi, the 

 stronger pectinations of the antenmie, the distinctly scaled pronotal pieces, and the long hairs ou 

 the breast; the fore wings are also longer and narrower than in Schizura, and the outer edge more 

 oblique, while the inner edge has a slight tuft. Our generic name, Xylinodes, was given to it from 

 the resemblance of the markings of the fore wing to the noctuid genus Xylina, in which the fore 

 wings are also decidedly slashed. The name lauassa should be drop])ed, since it was proposed' by 

 JMiinster in 1839 for a geims of sharks (Beitr. Petref., i, ISSO). Mr. Druce (Biol. Centr. Amer., 

 p. 242) points out the fact that lanassa is preoccupied, and apparently ignorant that I had pro- 

 posed the name Xyliuodes for the genus, changed the generic name to Pliya. 



Ec/g. — "Globular and smooth" (Dyar). Further observations are needed. 



Cocoon. — A regularly oval thick earthen cell lined with silk, the larva transforming either ou 

 the surface or within the earth. 



Larva. — Headbilobed; on first abdominal segment a hump supporting a large double tuber- 

 cle, and on the eighth segment a decided hump bearing two small piliferous warts. End of body 

 and anal legs raised, much as in Schizura. Freshly hatched larva: "Tubercles ou lirst abdominal 

 segment brown ; anal feet partly aborted." (Dyar.) 



Geof/niphictd (listribiition. — This genus is peculiar to the Xew World, extending through the 

 Appalachian aud Austroripariau into the eastern portion of the Campestrian subprovince, as far 

 west as Colorado, South Dakota, and Salt Lake, Utah. This genus also occurs iu the Mexican 

 (Sonorau) subprovince as Mr. II. Edwards has described (Ent. Amer, i, p. 129). Janassa laciniosa 

 is from Jalapa (Schaus) and Mazatlau. 



Xylinodes lignicolor (Walker). 

 (PL IV, tig. 15.) 



lanassa lignicolor Walk., Cat. Lep. Het. Br. Mus., v, p. 1101, 1855. 

 Xylinodes virijata Pack., Prou. Ent. Sue. Phil., lii, p. 367, 1864. 



Grote, New Clieck List N. Amer. Moths, p. 31, 1882. 

 Smith, List Lep. Bor. Amer., p. 31, 1891. 

 lanassa liynicolor Kirby, Syii. Cat. Lep. Het., i, p. 570, 1892. 



Ejcwrela lirjniijera Walk., Cat. Lep. Het. Br. Mus., xxxii, p. 423, 18J5 {fide Grote ami Rol).). 

 Edema Iransrersata Walk., Cat. Lep. Het. Br. Mus., xsxii. p. 427, 1865 (fide Grote and Rol).). 

 lanassa lirjnirolor Xcum. and Dyar, Traua. Amer. Ent. Soc., xxi. p. 200, June, 1894 ; .Touru. N. Y. Eut. Soc, ii, 



p. 116, Sept., 1894. 

 lanassa c:>loradensis Neuiu. and Dyar, Trans. Amer. Ent. Soc., xxi, p. 200, June, 1894 ; .louru. X. Y. Ent. Soc, ii, 



p. 116, Sept., 1894. 



