N0.1363. JCARWlaS AM) (OCKIiOACIIES—IiEILX. 557 



rior margin truncate, lateral margins arcuate, the antero-lateral angles 

 rounded; posterior margin truncate, the postero-lateral angle pro- 

 duced posteriori}^ into an acute process; the pronotum as a ^viiole 

 strongly arched transversel}'. Mesonotum and metanotum with the 

 posterior margin cmarginate, the latter ha\'ing a low uvuto. median 

 process; lateral angles developed similar to the postero-lateral angles 

 of the pronotum. Abdomen with the four basal and the sixth dorsal 

 segments with the posterior margins truncate; tifth segment arcuate, 

 with a very wide and shallow median emargination; seventh segment 

 roundly produced, apex undulate, a distinct cereal emargination is 

 developed, Avhich is bordered externally by a distinct spiniform. pos- 

 teriorly directed process, a structure developed on the lateral angles 

 of all the segments. Supra-anal plate produced, arcuate. Cerci 

 short, not equaling the supra-anal plate, hastate, apex acuminate, 

 very slightly depressed. Subgenital plate transverse; median portion 

 produced, the margin ver}- obtuse angulate. Anterior femora with 

 twelve spines on the anterior margin, posterior margin bearing one 

 apical spine; tibia? about two-thirds the length of the femora; tarsi 

 equal to the tibi^ in length, terminal joint slightly longer than the 

 metatarsi, the puh'illi of the latter being triangular and apical. Pos- 

 terior femora with live spines on the anterior margin, the apical 

 (exceeding the others in length, posterior margin with four spines, 

 the basal one small, genicular spine equal to the apical spine on the 

 anterior margin in size; tibite distinctly quadrate, one and one-third 

 the length of the femora; tarsi not quite equal to the femora in length, 

 terminal joints slightly shorter than the metatarsi, the pulvilli of the 

 latter triangular and apical, the lower surface of the metatarsi supplied 

 with two longitudinal row^s of depressed teeth, arolia quite small. 



General color very dark vinaceous, almost black; limbs reddish- 

 brown; tarsal joints xevy pale; lower margins of the clypeus and 

 labrum dull ochraceous. 



MEASUREMENTS. 



mm. 



Length of body -5. 5 



Lengtli of pronotum H 



Greatest Avidth of pronotum - - - 1- 



Greatest width of mesonotum 14 



Greatest width of abdomen 15 



Sublamil.v I^^^l^STCHLORIN-^E. 



Genus PYCNOSCELQS Scudder. 



1863. Pycnoscelus ScvDumi, Boston Journ. Nat. Hist., VII, p. 421. 



Ti/jn\—Pi/enoscelus ohscurus Scndder = Bhitta ^urrnaminsis Lin- 

 nanis. 



