042 BOSTON JOURNAL 



rounded ; the punctures of tlie elytra are smaller, and thoracic 

 grooves less profound. 



DORCATOMA Herbst. 



D. siMiLis. — Rounded, blackish ; head dark piceous ; elytra 

 with two stria? and a half. 



Inhabits North Carolina, Harris. 



Body rounded, very little oval, convex, punctured ; with short, 

 yellowish hairs : antennae dull rufous ; not very robust ; basal 

 joint piceous; antepenultimate joint extending inwards into a 

 conic process, and exhibiting the form of an equilateral triangle, 

 shorter than the preceding part of the antennae; two ultimate 

 joints equal : elytra with three lateral striae, of which the supe- 

 rior one is half the length ; humerus elevated, compressed, acute. 



Length less than one-tenth of an inch. 



The D. hicolor Grermar has a sanguineous thorax, and the 

 ocidata S. is lai'ger, its antennae more robust, and the terminal 

 joint arcuated. 



HYLECCETUS Latr. 



H. LUGUBRis. — Elytra and postpectus black ; abdomen and 

 feet honey-yellow. 



Inhabits Indiana. 



% Body punctured, with short hairs ; labrum tinged with pi- 

 ceous : antennae, third joint obscure yellowish ; vertex with a 

 glabrous line : thorax with an indented line and a little unequal 

 each side; scutel glabrous and carinate in the middle: elytra 

 with slightly elevated lines; wings dusky, nervures black: be- 

 neath black : feet and abdomen honey -yellow. [167] 



Length from two-fifths to nearly half an inch. 



9 Head rufous: antenna) black, three basal joints yellowish : 

 thorax and pectus rufous. 



Var. a. Elytra dull yellowish on the basal half. 



I observed it in considerable numbers, on the 16th of April, 

 flying about a prostrate sugar maple, and running briskly upon 

 it. It is infested by a species of Gamasiis. 



[Unknown to me. — Leg.] 



[Vol. I. 



