AMERICAN COLEOPTERA. 313 



sparsely pubescent, front obsoletely carinate. Eyes large coarsely granu- 

 lated. Antennas longer tban one-half the body, piceous, externally serrate. 

 Thorax transverse, narrower in front, truncate, sides margined, arcuate, hind 

 angles nearly rectangular, base sinuate, median lobe moderate and emarginate 

 opposite the scutellum ; surface feebly convex and with very coarse punctures 

 unequally disposed, more dense at the sides in front and at middle, and with 

 minute punctures densely placed in the intervals and clothed with cinereous 

 pubescence. Scutellum sub-reniform, pubescent. Elytra oblong oval, humeri 

 moderately prominent densely and 6nely punctured, surface striate, strise 

 shallow but with large punctures, intervals feebly convex, densely and finely 

 punctulate, clothed rather sparsely with cinereous pubescence more densely 

 placed in spots. Body beneath darker than above, more finely punctulate and 

 less densely clothed. Legs ferruginous or piceous, hind femora broad, pectin- 

 ato-dentate near apex, the first tooth being larger, and finely crenulate along 

 the lower margin; hind tibiae strongly arcuate, obliquely truncate at apex and 

 prolonged on the inner edge. Length .32 inch; 8 mm. 

 Occurs in States along the Gulf Coast. 



C'. Veseyi, n. sp. — Elliptical, ferruginous or pale brown, evenly clothed 

 with cinereous pubescence. 



This species resembles closely the preceding, but differs as follows : 

 Antennae slender not subserrate, longer than half the body, pale ferruginous. 

 Thorax less transverse and less coarsely punctured, median basal lobe not 

 emarginate at middle. Scutellum truncate at base, subquadrate. Elytra more 

 elongate more deeply striate, striae coarsely punctured, humeral prominence 

 densely asperato-punctate, elytral intervals feebly convex internally, flat ex- 

 ternally, densely but very feebly punctulate; surface evenly clothed with 

 cinereous pubescence not densely placed. Body beneath darker than above 

 and similarly clothed. Legs ferruginous, the. anterior two pair somewhat 

 paler. Hind femora similarly armed as in arthritieus, but with the anteiior 

 tooth larger and the crenulations of the lower edge more distinct. Length 

 .:3(i— .50 inch; 9—12.5 mm. 



This is the largest species in our fauna, and by description resem- 

 bles nucleorum and bactris, but without the impressed antennae of 

 those species. Easily known from arthritieus by the characters ai veti 

 above, especially by its slender antennae, rounded median hasal lube 

 and the roughly punctured humeral prominence. 



Specimens were collected in the Peninsula of Lower California, by 

 John Xantus de Vesey, to whom it it dedicated. 



BRUCHUS, Linn. 

 Bruchus, Linn. Syst. Nat. El. 12, ii., p. 604. 



This genus contains in our fauna numerous species, presenting many 

 differences in external appearance and many variations in the struc- 

 ture of one or other portion of their organization. Notwithstanding 

 the changes which many parts of the structures present, none appear 



