44 MEMOIRS ON THE COLEOPTERA. 



and darker on the abdomen; color rather pale flavate-brown, the pro- 

 notum more piceous, the head black, the elytra pale, with the flanks 

 apically and sutural region basally broadly darker, the abdomen nearly 

 black, the apices of the segments pale, broadly so apically; head three- 

 fifths as wide as the prothorax, wider than long, subparallel, the eyes 

 moderate; antennae longer than in the preceding, slender, very feebly 

 and gradually incrassate, the second joint scarcely longer than the first 

 but distinctly longer than the third, the outer joints but little wider than 

 long, the last slender, cylindric, gradually obtusely pointed apically, 

 and rather longer than the two preceding; prothorax in form and pro- 

 portion nearly as in sedula, the ante-scutellar impression rather larger, 

 more rounded and distinct; elytra slightly shorter than wide, at base 

 fully as wide as the prothorax, the suture about a third longer, the apical 

 sinuses strong and distinct; abdomen relatively narrow, almost perfectly 

 parallel and with straight sides, the margins moderate, the fifth tergite 

 as in the preceding. Length 2.3 mm.; width 0.68 mm. Texas (El Paso), 

 found by Mr. Dunn and also by the writer. 



Distinguishable at once from the two preceding by its broader 

 form and by the coloration, also by the less abbreviated antennae, 

 with longer and more cylindric terminal joint. 



Oxypoda astricta n. sp. Very slender, subparallel, alutaceous, piceous- 

 brown, the head darker, the abdomen blackish, with the segmental 

 apices paler; punctures fine, dense and asperate throughout, the abdomen 

 having strong imbricate sculpture which becomes longer feeble isolated 

 asperities posteriorly, subobsolete toward apex of the fifth tergite; 

 vestiture very short, close, sparser on the abdomen; head convex, wider 

 than long, fully three-fifths as wide as the prothorax, parallel and rounded 

 at the sides, the eyes not prominent and at but little more than half 

 their length from the base; antennae very short, slender, only feebly 

 incrassate, piceous, testaceous basally, the second joint but little longer 

 than the first or third, fourth distinctly wider than long, the outer joints 

 slightly transverse, the last rather longer than the two preceding, cylin- 

 dric, ogival at tip; prothorax one-half wider than long, rounded at base, 

 the sides evenly arcuate, becoming strongly converging apically and 

 parallel basally; elytra distinctly shorter than wide, parallel, fully as 

 wide as the prothorax, the suture a fourth or fifth longer; abdomen but 

 slightly narrower than the elytra, parallel, scarcely perceptibly narrowing 

 apically, the fifth tergite more than one-half longer than the fourth, the 

 side margins moderately thin. Length (greatly extended) 2.7 mm.; 

 width 0.42 mm. California (Pomona, Los Angeles Co.), Fall. 



A very small slender species, to be identified readily by the above 

 characters. The abdomen in the single type specimen at hand is 

 so extended that it is nearly twice as long as the entire remainder 

 of the body. 



Oxypoda vetula n. sp. Stout, subparallel, rather convex, feebly 



