lOG PSYCHE. fScptcinbei-October iSSS. 



The only species of Mycotriipes is Thorax with hasal margin olisolete at 



retusus Lee. "fouiul in the southern the sides. 



states feeding on fungi or under dried Elytral stiiae very feebly impressed, 



animal mutter." punctured, head not tuberculate, 



Of OnycJiotriipcs there are two apical spur of $ short, scutellum 



species in our fauna, jf/^/<7«<//</«i-, varia- very small. nlkci. 



ble in brilliancy of color from "■brilliant Elytral striae impressed and punc- 



metallic green to a dark bronze," the turetl, head tuberculate. 



elytral striae are punctured, the basal occidentalis. 



margin of the thorax is entire. Second, In the first three species the hind 



semiopacus^i having the head not tuber- thighs are toothed in the ^ and the in- 



culate, the thorax usually with the basal ferior carina of the front tibiae is ser- 



marginal line absent in a greater or less rate in both sexes, more strongh in the 



degree and with the striae of the elytra ^ , and in blackbi(riiii the alternate 



impressed l)ut not punctate, interstices teeth aie sometimes very prominent, 



flat, smooth. The ,J' 's in this subgenus The middle and hind tibiae in the same 



have the hind thighs with a small tooth, species have about four transverse 



more or less marked, at the base be- ridges, the upper one sometimes im- 



neath. The inferior longitudinal cari- perfect. 



na of the anterior tibiae is distinctly Gcotrupes 7ilkel n. sp. — Size small, 



serrate in both sexes of splendidns^ convex, shining brown bronze, lateral 



but only feebly crenate in scniiopacits. margins of the thorax and elytra blue. 



The middle and posterior tibiae ha\e Head shining, rough in front and at the 



usually four distinct transverse ridges sides, rather sparsely punctate behind, 



on the outer face in both. clypeus broadly rounded hi front, feebly 



As' only the 9 of G. occidentalis is convex without any evident tubercle, 



known it is not certain that it is a C71C- sides of the head rounded as usual form- 



motrnpes. I !iave however included it ing at its junction wath the clypeus an 



in the following table : obtuse reentrant angle, cl}peal sutures 



Thorax with basal margin entire. impressed, the usual ante-ocular ridges 



Anterior tibiae of (^ with a long spur, present. Antennae with the fourth 



scutellum transverse. joint shorter than the third or fifth, club 



Shining dark bronzed green, elytral sooty. Thorax nearly twice as wide 



striae coarsely crenately punc- as long, the apex more than half as 



tured, club yellow. egeriei. wide as the base, sides strongly rounded 



Opaque, striae punctured, scarceh' and maigined, angles all rounded, base 



impressed, club sooty. opacus. lobed at middle, marginal line distinct 



Anterior tibiae with a short spur in at middle, quite absent each side, sur- 



tlie c? , scutellum equilateral, striae face faintly punctulate, very sparsely 



rather finely punctured. punctured on the disc except on the 



blackburnii. median line which is slightly impressed 



