236 



CJinCUIAONIDM. [LeConte. 



strongly marked punctures. Prosternum very wide between the coxae, 

 coarsely punc ured, wi h two slight longitudinal impressions in front. 

 Length 4 mm.; .15 inch. 



Texas, Belfrage, one specimen. 



4. O. distans (L-c), Pr. Ac. Nat. Sc. Phil. 1868, 363, {Baridim). 

 New Mexico, Fendler, one specimen. Oval subquadrate, black, scarcely 



sliining, glabrous. Head sparsely punc ulate; b?ak punctulate, as long as 

 the protliorax, not stout, r^;gularly and s rongly curved, fron al constriction 

 feeble. Prothorax sudd:'nly narrowed, rounded on the sides in front, and 

 constricted at I he sides near the tip; punctures distant on the disc, more 

 dense towards tlie sides; smooth dorsal line very dis inc'. Elytra with 

 deep stria?, interspaces tla*, ratlier wide, wi h rows of shallow dis ant punc- 

 tures, which are more evid nt than usual. Pros ernum very wide between 

 the coxse, cmrsely and spars.dy puuctured, broadly concave in front, with 

 two small impressions. L "ngtli 3.3 mm.; .13 inch. 



5. O. seriata (Lee), Pac. R. R. Expl. and Surv. Ins. 58; Pr. Ac. Nat. 

 Sc. Phil. 1868, 363, {Burklim). 



San Francisco, Cal. ; one specimen. A small, shining black species of 

 narrow form, resembling in this resp c' the next, as well as Baris t^parsa, 

 and Pseudob'iris angusta. From the last two it is easily distinguisiied by 

 tlie generic cliaracters; from 0. macra i. is readily known by the more dis- 

 tant front coxte. Ths prosternum is as wide as in the two preceding spe- 

 cies, flat and coarsely punctured, wi hout impressions. The third joint of 

 tke tarsi is less broadly dilated. 



Head dull, feebly punctulate; beak as long as the prothorax, not stout, 

 rugosely punctured, regularly curved, frontal constriction faint. Pro bo- 

 rax scarcely longer than wide, sides rounded in front, and scarcely con- 

 stricted; punctures strong, and dense, without smooth dorsal line. Elytra 

 with rather narrow striae, interspaces flat, each with a row of small distant 

 punctures. Length 2.5 mm. ; .10 inch. 



6. O. cribrata, n. sp. 



Elongate, brownish black, shining, sparsely clothed with ra+her cf)arse 

 wjiite reclinate hairs. Head smooth, beak short, not longer than the pro- 

 thorax, stout, curved, punctured, strongly ccuistricted at base. Prothorax 

 quadrate, wider than long; sides parallel, suddenly narrowed and rounded 

 near tlie lip; very coarsely punctured, and smooth dorsal line narrow, but 

 distinct. Elytra a little wider than the prothorax, sides parallel, rounded 

 at the tip, stria3 deep, interspaces narrow, each witli a row of rather distant 

 small punctures, from which proceed white hairs. Benea'h coarsely punc- 

 tured, punctures becoming smaller and dis ant upon the abdomen. Length 

 3.3 mm.; .125 inch. 



Texas, Belfrage, two specimens. The front coxne are moderately dis- 

 tant, as in most of the glabrous species; the prosternum is slightly concave. 

 The club of the antennaj is short oval, and the first joint constitutes more 

 than one half the mass and is somewhat shining. In the best preserved 



