COLEOPTERA. 143 



and very evenly rounded ; sides very feebly sinuate toward the apical angles 

 which are very narrowly rounded ; disk very convex, highly polished, ex- 

 cessively minutely transversely and feebly strigose, not punctate except the 

 impressions left after the denudation of the hair. Elytra at base as wide as 

 the contiguous pronotum ; sides moderately convergent posteriorly and feebly 

 arcuate; together nearly transversely truncate behind; disk very slightly 

 wider than long, strongly convex, shining ; sculpture finely feebly and evenly 

 imbricate, imbrications wider than long, finely reticulate ; disk also distinctly 

 and minutely aspero-punctate, an asperate setigerous puncture at the base of 

 each imbrication. Abdomen at base very slightly narrower than the elytra, 

 pale at tip, finely pubescent, having numerous erect coarse black spinous 

 setae at the sides. Legs moderate, pale reddish-testaceous ; feinora and 

 middle tibiae flattened, the latter fimbriate at tip and for one-fourth the 

 length along the inner edge with erect stout closely placed black spinules, 

 having also one long stoiit terminal spur, and one smaller erect spine on the 

 inner edge near the middle ; anterior tarsi broadly dilated, spongy-pubescent 

 beneath ; anterior tibiae fimbriate along the outer edge fcom base to apex 

 with stout black closely set spinules ; mesosternum very narrowly and 

 strongly carinate ; presternum having a median tuberculation bearing five 

 long slender parallel setae, the middle one the longest. Length (strongly 

 contracted) 2.4 mm. 



Jenkintown, near Philadelphia, 1. 



Tliis species belongs immediately after crassus in the catalogue, 

 and may be distinguished from that species by its much smaller size, 

 coloration, and shape of the epistuma, it being very strongly transverse, 

 transversely truncate anteriorly with the sides parallel and slightly 

 sinuate. Tiie two species also differ in the structure of the antennae, 

 in which the tenth joint is not shorter than the ninth, is less strongly 

 compressed, and is much longer than wide in crassus; also in the 

 latter the eleventh joint is more abruptly compressed, is extremely 

 thin and two and one-half times as long as wide. The emargination 

 of the pronotum for the head in crassus is much shallower, and the 

 sides near the anterior angles are very widely divergent. 



The beautiful fimbriation along the edge of the anterior tibiae 

 which also exists to a less marked degree in crassus, is a character 

 which does not seem to have been noticed, as may perliap.s also be 

 the case in regard to the prosternal spines. 



C initoricatus n. sp. — Form very convex, rather slender. Color 

 piceous-black, posterior margin of the pronotum very narrowly paler from 

 diaphaneity ; abdomen paler, reddish-fuscous, paler toward tip ; pubescence 

 very fine, rather dense, recumbent, almost equally distributed over the entire 

 dorsal surface. Head wider than long, polished, very minutely sparsely and 

 evenly punctate, slightly more strongly so anteriorly ; eyes rather small and 

 slightly prominent ; antennae scarcely as long as the width of head, slender 

 and paler toward base, piceous-brown, apical joint very pale flavate, penul- 



