274 Memoirs on the Coleoptera 



Eyes only very moderately prominent, the prothorax more expanded 



anteriorly 8 



8 — Head much narrower than the prothorax; elytra parallel, with dis- 

 tinctly and evenly arcuate sides. Rather shining, black, the elytra 

 not quite black and obscurely aeneous; under surface and legs 

 black; head as wide as long, four-fifths as wide as the prothorax, 

 the eyes moderate in size; surface rather dull, minutely, sparsely 

 punctulate, the antennae slender, somewhat more than half as long 

 as the body; prothorax large, rather more than one-half wider than 

 long, the sides broadly arcuate anteriorly, converging and sub- 

 sinuate behind, finely but sharply reflexed, the angles right and 

 very sharp; surface minutely punctulate and finely rugulose, the 

 impressions evident but obtuse, the median stria deeply but not 

 broadly impressed; elytra oblong, between a fourth and third longer 

 than wide, barely one-half wider than the prothorax, the striae 

 rather deep, sulciform, the dorsal punctures strong, adjacent to the 

 third stria, well before the middle and near apical fourth. Length 

 3.25 mm.; width 1.2 mm. Pennsylvania. A single male. 



subsulcatus Dej. 

 A — General features nearly as in subsulcatus but smaller in size and 

 rather narrower, the head a little more than four-fifths as wide as 

 the prothorax and fully as long as wide; elytra similarly piceo- 

 rufous, with aeneous lustre, narrower, with the parallel sides less 

 arcuate; antennae distinctly more than half as long as the body. 

 Length 3.0 mm.; width 1. 15 mm. Texas (Austin). Two speci- 

 mens fuscipennis Mots. 



Head relatively larger, only very little narrower than the prothorax. . . 9 

 9 — Elytra shorter, oblong-suboval, the parallel sides distinctly arcuate. 

 Color black, the elytra faintly piceo-rufous, with moderate aeneous 

 lustre; under surface and legs black; head somewhat wider than 

 long, the eyes better developed and somewhat more prominent than 

 in subsulcatus; surface punctulate anteriorly, the anterior impres- 

 sions short; antennae distinctly more than half as long as the body; 

 prothorax less transverse than in subsulcatus, similar in general 

 outline, but with the basal angles sharp and minutely prominent, 

 the surface nearly similar; elytra narrower, a third longer than 

 wide, two-thirds wider than the prothorax, the sulciform striae 

 less deep than in subsulcatus, the dorsal punctures differently placed, 

 smaller, the anterior at the middle, the posterior at apical fourth. 

 Length 2.9 mm.; width 1.18 mm. North Carolina (Southern 



Pines), — Manee. A single male example actuosus n. sp. 



Elytra much more elongate, the parallel sides less arcuate. Color deep 

 black, with moderate aeneous lustre, especially on the elytra, the 

 ground color of which does not seem to be rufescent; under surface 

 and legs black; head fully as long as wide, with large but only 

 moderately prominent eyes, the surface convex, nearly smooth, 

 with a few fine punctures anteriorly; antennae half as long as the 

 body; prothorax large, the sides finely but sharply reflexed, more 

 broadly rounded than usual, converging and arcuate posteriorly, 

 feebly sinuate for a short distance at the basal angles, which are 



