[145] 194. Campylus Denticornis, Kirby. – Length of body 6 lines. Taken in Canada by Dr. Bigsby.

This is the American representative of C. mesomelas, from which it is sufficiently distinguished by its toothed antennae and longer prothorax. Body linear, black, hairy with pale decumbent hairs. Head punctured ; antennae longer than the prothorax, filiform, with all the joints, except the scape, pedicel, and terminal one, terminating at their internal extremity in a prominent tooth, less conspicuous in the two lower ones ; upper-lip, and nose which is reflexed and overhangs the mouth, yellow : prothorax channelled, punctured, quadrangular, with the anterior angles rounded, and the posterior diverging and terminating in a sharp tooth or prominence ; sides rather wavy ; limb yellow : scutellum subcordate : elytra minutely and thickly punctured, slightly furrowed, furrows thickly punctured; marked with a narrow yellow, stripe which does not reach the apex ; there is also a short yellow streak on the shoulders : base of the tibiae, claw-point of the tarsi, and claws, yellow. [“Lake Superior, Maine and Pennsylvania” (Le Conte). We have specimens taken in the neighborhood of Ottawa, Ont.]