DYSGONIIDyE. 157 



joint curved, reaching vertex, smootlily squamose, third joint long, slender ; antennse 

 stout, ciliated in male ; legs long, femora and tibite densely pilose in male, tarsi very 

 long, spurs long. 



Type, S. Chlorea. 



SPHINGOMOEPHA CHLOREA (Plate 167, Fig. 4). 

 Phalcena Noctua Chlorea, Cramer, Pap. Exot. ii. p. 12, pi. 104, fig. c (1779). 



Sphingomorpha Chlorea, Guenee, Noct. iii. p. 222 (1852) ; Walker, Catal. Lep. Het. B. M. xiv. p. 1345. 

 Sphingomorpha Sipyla, Guenee, Noct. iii. p. 222 (1852), pi. 21, fig. 4. 



Dark umber-brown : forewing with numerous transverse pale bro-wnish-ochreous 

 bordered blackish strigte ; crossed by a zigzag subbasal white-bordered black line, 

 an undulated medial line, and a black-bordered pale brownish-ochreous sinuous line ; 

 reniform mark slender, curved, black lined and pale bordered ; a pale-bordered black 

 recurved longitudinal streak from upper end of the reniform, and above which are 

 two whitish-bordered black lunules ; a pale-bordered streak also at the apex : hind- 

 wing blackish umber-brown, with a pale brownish-ochreous transverse medial fascia, 

 which is broadest in the female; a narrow apical band, and a broader subanal band, 

 the latter with blackish strigce ; cilia at the apex and anal angle pale brownish- 

 ochreous. Body above dark umber-brown, with a pale brownish ochreous-white 

 dorsal band extending from front of the head to end of the abdomen, and crossed 

 by narrow segmental brown bands, the sides, and body beneath, with the femora and 

 tibife, pale brownish-ochreous ; tarsi dark brown with pale bands ; base of palpi 

 blackish-brown. 



Expanse 2^ to 2f inches. 



Genus THYAS. 

 Thy as, Hiibner, Samm. Exot. Schmett. ii. pi. f. 1, 2 (1820-26). 



Lagoptera, Guenee, Noct. iii. p. 223 (1852); Walker, Catal. Lep. Het. B. M. xiv. p. 1350. 

 Bendis (part), Hiibner, Verz. bek. Schmett. p. 269. 



Wings moderately large, strong, elongated ; costa almost straight, apex acute, 

 exterior margin slightly oblique, convex hindward ; cell extending to nearly half the 

 length ; first subcostal emitted about one-half before end of the cell, second at one- 

 seventh, trifid, third at one-fourth from base of second, and fourth at one-half fi'om 

 base of third, fifth from end of cell ; discocellular convex, bent near each end, radials 

 from the angles ; middle median from angle close to end of cell, lower at nearly one- 

 half; submedian recurved, from the base, and with a slender short lower recurved 

 veinlet : hindwing broad, short, apex and exterior margin very convex ; cell extending 

 one-third the length ; two subcostals from end of cell ; discocellular very oblique, 

 convex, lengthened outwardly, radial from below the middle ; the middle median 

 from angle close to end of cell, lower at one-fourth ; submedian slightly I'ecurved, 



