9. C. tristis, n. sp. Elongate-oval, densely clothed with dark gray scales, with intermixed short erect bristles, which on the elytra are arranged in tufts upon the alternate interspaces. Beak more slender at tip, punctured. Prothorax deeply and densely punctured, strongly carinate, formed as above described. Elytra indistinctly variegated on the ground color, tufts of bristles darker. Beneath clothed with dirt colored scales, densely punctured. Length 5 mm; .30 inch. Middle and Western States. I have adopted Dejean's name for this species.