AMERICAN COLEOPTERA. 245 



lection taken at San Diego, others collected at Brownsville by 

 Dury and Barber. 



The cephalic carina is a character peculiar to the present species; 

 it is indistinct in certain lights but plain enough in others. 



34. C otiosum n. sp. — Dark brown, apical third of elytra feebly rufescent. 

 Form oblong-elliptical, very nearly twice as long as wide, a little gibbous in pro- 

 file; pubescence fine and short. Coarser punctures distinct and moderately 

 strong on elytra and sides of pronotum, finer but plainly visible over the entire 

 front. Metasternum polished, the finer punctures excessively minute and sparse, 

 the coarser ones nearly reaching the sides where, however, they are remote. 

 Eighth antennal joint triangular, slightly longer than wide, the apical angle 

 nearly right. Front tibiae deeply bisulcate, the grooves separated by a distance 

 only slightly greater than that of the posterior one from the margin. Middle 

 tibiae deeply sulcate. Length 2.4-2.7 mm. 



Hab. — Lower California (Santa Rosa). Two examples collected 

 by Mr. Beyer. 



35. C congrnnm n. sp. — Dark brown, moderately elongate, oval, parallel 

 as viewed from above, slightly gibbous in profile; pubescence rather short and 

 sparse, fulvo-cinereous. Coarser punctuation moderate in development on the 

 elytra and at sides of pronotum, feeble on the head. Metasternum very sparsely 

 Dearly uniformly punctured from side to side. Eighth joint of antennae slightly 

 longer than wide, the inner edge rounded. Front tibiae bisulcate, the grooves 

 deep, complete and mutually more distant than from the margins; middle tibiae 

 with marginal groove. Length 1.6-2.1 mm. 



Brownsville, Texas. Collected by Mr. Barber. 



Rather closely allied to otiosum of Lower California, but smaller, 

 a little stouter and with the grooves of the front tibise less approxi- 

 mate. 



36. C vexiitum n. sp. — Brown, oblong-elliptical, twice as long as wide, not 

 at all gibbous in profile; pubescence fine and rather sparse. Coarser punctures 

 somewhat variable in development but usually moderate in size and not very 

 prominent. Metasternum punctured from side to side. Eighth antennal joint 

 slightly longer than wide, quadrate triangular. Front tibiae bisulcate; middle 

 tibiae sulcate. Length 2.5-3.5 mm. 



Hab. — New York; District of Columbia; Virginia; West Vir- 

 ginia ; Ohio; Kentucky; Illinois; Kansas; Texas. 



Single examples from Louisiana and Georgia are also included, 

 though departing considerably from the typical form of the Middle 

 Atlantic States. Two examples from Washington, D. C, are 

 nearly black. In one of these the anterior groove of the front tibise 

 is nearly obliterated, and in the other it is abbreviated. It is not 



TBANS. AM. ENT. SOC. XXXI. JULY, 1905. 



