LeContc.] BAKINI. 



interspaces. In some specimens the elytra are uniformly clothed, without 

 any denuded spots. The second joint of the funicle is as long as the first, 

 but more slender. The elytra are conjointly rounded at tip, and the 

 pygidium is not visible. The prosternum is transversely impressed and 

 flattened, as in the preceding species, not armed in the $; the emargina- 

 tion in front of the mesosternum is wide and deep, limited by sharp 

 angles. The metathoracic episterna are wide, and the fifth ventral but 

 little longer than the fourth. 



C. pistor Gyll., Sch. Cure, iii, 760; Balaninus pistor Germ., Ins. Nov. 

 295, and 



C. (?) dilectus Harris, Trans. Hartf. Nat. Hist. Soc. i. 80, 

 Are unknown to me. I think it possible that the latter may be a large 

 variety of penicellus; the former is perhaps the 9 of the next. 



3. C. Isevirostris, n. sp. 



Black, densely clothed with small gray scales, which are narrower but not 

 hair-like upon the upper surface. Beak as long as the head and protliorax, 

 slender, curved, opaque, smooth, slightly punctured and pubescent near the 

 base; head fee >ly punctulate. Protliorax not wider than long, rapidly 

 narrowed from the base, strongly rounded on the sides, very strongly 

 tubularly constricted near the tip, bisinuate at base; scutcllar lobe slightly 

 emarginate; surface densely rather finely punctured, scales not directed 

 transversely; dorsal line smooth, slightly elevated. Elytra conjointly 

 rounded at tip, pygidium slightly visible (only in (J'?); stria3 deep but not 

 broad, interspaces flat, densely punctured; suture and alternate spaces 

 clothed with paler scales. Antennae with the second joint of funicle two- 

 thirds as long as the first. Side pieces of metas'ernuin wide; fifth ventral 

 nearly as long as third and fourth united. Hind margin of protliorax 

 beneath narrowly emarginate. Length 6.2 mm.; .25 inch. 



(^. Prosternum with a very deep excavation in front of the coxae, and 

 armed each side of the cavity with a long curved horn: 9 wanting. 



Missouri, one specimen. This is the largest species in our fauna, and 

 corresponds in size with C. ptetor and dilectus; I do not feel disposed how- 

 ever, to refer it to either of them. 



4. C. punctirostris, n. sp. 



This species corresponds in all respects with C. Icevirostris, except that 

 the scales are of a uniform pale gray; the beak is stouter, especially at the 

 base, coarsely punctured even at the tip, with a small smooth, space at the 

 base, and the punctures of the protliorax though dense, are somewhat 

 larger. Lenglh 6.2 mm ; .25 inch. 



Colorado, one $. The horns of the prosternum are shorter, and more 

 regularly curved. 



5. C. striatirostris, n. sp. 



More robust than the two preceding species. Beak not very slender, 

 more curved near the base ; shining, coarsely punctured, longitudinally 



