Horn.] 450 LSep. 19j 



than long, sides (slightly sinuate in front), rather strongly arcuate, base 

 slightly narrower, surface sparsely pubescent. Elytra oval feebly emar- 

 ginate at base, surface striate, striae punctured, intervals moderately 

 rugulose. Length .24-.30 inch ; 6-7.5 mm. 



Male. — Rostrum nearly as long as the body. 



Female. — Rostrum longer than the body. 



Variety.— Thorax sparsely pubescent, pubescence cinereous; elytra 

 sparsely cinereo-pubescent with indistinct brownish spots intermixed. 



Variety. — Pubescence of thorax more dense, ochreous, discal space 

 darker ; elytra with ochreous pubescence with darker spots. 



Variety. — Pubescence moderately dense, nearly unicolorous, that of the 

 elytra cinereous with slight yellowish tinge. 



This species is distinguished rather by negative characters from those 

 which precede and follow. It has an aspect of greater robustness than 

 any species of the genus. The tooth of the former is much smaller, and 

 the free edge is deeply sinuous. From rectus it may be at once distin- 

 guished by the form of the thorax, from nasicus by the form of the elytra 

 and the much more feeble femoral tooth, and from caryee by the tooth of 

 the femur of the latter being very large and triangular, and the tibia? 

 much more strongly mucronate at tip. 



Occurs in Canada, Pennsylvania, Illinois, Texas, Kansas, California 

 and Oregon. 



One specimen of the third variety is marked as injuring the Hazel 

 nut. 



B. caryse, n. sp. 



Brownish, sub-opaque, very sparsely pubescent above and beneath. 

 Thorax wider than long, sides (in front slightly sinuate), strongly arcu- 

 ate, disc moderately convex, densely and coarsely punctured, very 

 sparsely clothed with ochreous pubescence. Elytra oval, moderately 

 emarginate at base, moderately convex, striate, striae punctured, inter- 

 vals flat, roughly punctured, sparsely pubescent with . ochreous hairs. 

 Body beneath sparsely pubescent with hairs that are feebly scale-like, 

 and paler in color than the upper surface. Length .36 inch ; 9 mm. 



Sexual characters as in the preceding species. 



The femora are armed with a strong triangular tooth, and the tibiie at 

 tip more strongly mucronate than in any of our other species. Among 

 all the females of the preceding species the hind tibiae are more evidently 

 sinuous than in the male. This is especially noticeable in this species. 



The specimens before me are from Mr. Akhurst, of Brooklyn, and they 

 are known to infest the Hickory nut. 



B. nasicus Say. Cure. N A., p. 16 ; Am. Ent. edit. Lee. I., p. 279 ; 

 Gyll. Schonh. Gen. Cure. III., p. 377 ; nasutus || Say, loc. cit. ; rostratus, 

 Gyll. loc. cit,, p. 374; sparsus Gyll. loc. cit., p. 379. 



This species resembles a small carytatrypes, and differs in having the 

 thorax broader, the sides more arcuate. The surface is similarly clothed, 



