580 Coleopterological Notices, VI. 



thorax, slender and filiform, the penultimate joints slightly wider 

 than long. Prothorax three- fourths wider than long, the sides 

 distinctly convergent and broadly, almost evenly arcuate from 

 base to apex, the edges finely serrulate; basal angles broadly 

 rounded and apparently obsolete, the apical obtuse; apex sub- 

 truncate, much narrower than the base which is distinctly arcu- 

 ate; disk minutely and sparsel}' punctate, moderatel}' scabrous 

 rather narrowly along the sides, the rugose area abrupt but not 

 limited b}' an impressed line. Elytra one-half longer than wide, 

 near apical third slightly wider than at base and about three-fifths 

 wider than the prothorax, the sides nearly straight ; apex obtusely 

 parabolic and very indistinctly aud minutely serrulate; punc- 

 tures fine, feebly rugose and somewhat close-set. Length 2.0 

 mm. ; width 0.85 mm. 



California (San Diego). The description is drawn from a speci- 

 men which has the apex of the fifth ventral broadly truncate and 

 therefore most probablj' male, but the antennae are shorter, the 

 head smaller and the sides of the prothorax more convergent 

 than usual in the corresponding sex of allied species. 



12. I>. minutllS n. sp. — Narrow, subcylindrical, rather strongly con- 

 vex, the anterior parts smootli and highly polished, the elytra very obsoletely 

 suhreticulate but polished; body piceous-black, the elytra and alidomen 

 slightly paler; legs pale testaceous; antenna; black, the first joint piceo- the 

 second flavo-testaeeous; palpi black, the mandibles very pale, blackish at the 

 acute apex; pubescence short, cinereous-white, moderately dense, not at all 

 intermixed with erect hairs. Head three-fourths as wide as the prothorax, 

 slightly transverse, minutely and not very closely punctate, the punctures 

 slightly burred toward base; impressions widely separated and feeble; epi- 

 storaa abruptly thinned and depressed at apex, short and black, the labrum 

 .small, broadly rounded; eyes small; antennae rather short, slender, not as 

 long as the head and prothorax, the penultimate joint apparently somewhat 

 transverse. Prothorax large, fully three-fourths wider than long, the sides 

 strongly convergent and feebly, almost evenly arcuate from the broadly 

 rounded and obsolete basal angles to the apex, the latter feebly arcuate, 

 much narrower than the base, which is strongly and evenly arcuate through- 

 out; disk finely, spai-sely punctate, coarsely rugose in an unusually narrow 

 marginal area, which is abrupt though feebly delimited. Elytra one-lialf 

 longer than wide, subequal in \\idth to the i)rothorax, just visibly wider near 

 apical third, the apex obtuse; disk finely, feebly and not very closely punc- 

 tate. Abdomen finely pubescent, the legs slender; ungual appendages about 

 •one-half as long as the claws. Length 1.6 mm.; width 0.65 mm. 



California. 



i 



