136 Journal New York Entomological Society. [Voi. v. 
Broad, dilated, depressed; thorax narrower at base than apex, sides strongly 
arcuate in front, sinuate behind, hind angles obtuse; elytra moderately 
deeply striate, much more finely at tip; legs dark rufous. Length, .26-.2g 
inch; 6.5-7.25 mm,. dilatation. 
More elongate, feebly convex; thorax scarcely narrower at base than apex, 
sides slightly arcuate in front, feebly sinuate behind, hind angles subrect- 
angular; elytra more deeply striate; legs piceous, the femora at base and 
the tibiae often rufous. Length, .23-.27 inch; 5.75-6.75 mm. .honestum. 
More convex; thorax more narrowed behind, apex truncate, sides strongly 
arcuate in front, sinuate behind, hind angles subrectangular; elytra more 
deeply striate, the stria more deeply, almost crenulately punctate. Length, 
.22—.25 inch; 5.5-6.25 mm. chalceum. 
Elongate, depressed; thorax slightly narrower at base than apex, sides arcuate 
infront, sinuate behind,hind angles acute,slightly prominent; elytra moder¬ 
ately finely striate, the stria distinctly punctate, with an ill-defined discal 
spot about one-third from apex testaceous; legs rufous. Length, .20-.23 
inch; 5-6.75 mm. blanchardi. 
15. Robust, very convex; nigro-aneous often tinged with green; thorax one-half 
wider than long, narrower at base than apex; elytra deeply striato-punctate, 
the stria dilated, the first and second entire, the fifth represented by a 
groove at apex; base of antenna and legs rufous. Length, -15—. 18 inch; 
3.75-4.5 mm. nigrum. 
Less convex, elongate; black, slightly aneous; thorax narrower at base than 
apex, apex truncate ; elytra with the first, second, third and seventh stria entire; 
legs dark piceous or black. Length, .15-. 18 inch; 3.75-4.5 mm.. .longulum. 
More robust than longulum ; nigro-aneous, the elytra sometimes tinged with 
brown ; thoi'ax scarcely narrower at base than apex, about one-half wider than 
long; elytra with all the stria entire; legs piceous or rufo-piceous. Length, 
.15-. 20 inch; 3.75-5 mm. concolor. 
16. Thorax trapezoidal, scarcely convex, the basal fovea distinctly bistriate with the 
outer stria as long or longer than the inner, hind angles distinctly carinate; 
legs dark. *7 
Thorax trapezoidal, scarcely convex, the basal fovea unistriate or feebly bistriate 
with the outer stria very small, hind angles at most very finely carinate; legs 
rufous or testaceous, the femora rarely darker. 
Thorax cordate, convex, narrower at base than apex; basal fovea bistriate . .21 
17. Form depressed; thorax slightly wider than long, as wide at base as apex; elytra 
finely striate, the stria very finely or obsoletely punctulate; color piceous or 
nearly black, scarcely aneous;'legs piceous. Length, .27-.35 inch; 6.75— 
8.75 mm. planatum. 
Smaller species; stria of elytra impunctate. 
Elytra distinctly wider than the thorax; depressed, slender, elongate; nearly 
black, the elytra usually more or less brownish; thorax scarcely one-half 
wider than long, slightly narrower at base than apex, sides arcuate in front, 
oblique or obsoletely sinuate behind, hind angles obtuse, but not rounded > 
elytra moderately deeply striate; legs rufo-piceous. Length, .16-. 19 inch; 
4-4.75 . simplex. 
