io6 MEMOIRS ON THE COLEOPTERA. 



on the abdomen, which is almost impunctate apically and having the 

 micro-reticulation rather large and polygonal; pubescence noticeably 

 long and rather coarse, palish; color piceous, the head and abdomen, 

 except at apex, black, the elytra paler, piceo-testaceous, the legs pale; 

 head scarcely wider than long, rather more than three-fourths as wide 

 as the prothorax, parallel, with feebly and evenly arcuate sides, the eyes 

 but slightly prominent and at evidently more than their own length from 

 the base, the carinse wholly wanting; antennae rather long, black, piceous 

 basally, stout, gradually strongly incrassate, the third joint longer than 

 the second and almost as long as the first, fourth longer than wide, fifth 

 and sixth about as long as wide, seven to nine shorter and distinctly 

 transverse, the tenth large but less transverse, the last fully as long as the 

 two preceding; prothorax rather small, parallel, with evenly and moder- 

 ately rounded sides and a feeble transverse ante-scutellar impression, 

 the base rounded, two-fifths wider than long; elytra slightly transverse, 

 with nearly straight and feebly diverging sides, fully two-fifths wider and 

 longer than the prothorax, the apices not at all sinuate; abdomen a little 

 narrower than the elytra, parallel, with feebly and evenly arcuate sides, 

 the fifth tergite slightly longer than the fourth, the sixth (cf) recti- 

 linearly truncate at apex, the edge very feebly, unevenly undulated, with 

 a feeble externally arcuate longitudinal carinule at each side, within 

 which the surface is feebly concave. Length 2.4 mm.; width 0.68 mm. 

 California (San Mateo), Baker. 



This is not truly an Atheta, but I leave it here because of its 

 general fades. The middle coxae are moderately separated, the 

 mesosternal process very acute but separated from the transversely 

 and feebly arcuate metasternum by a long depressed and obtusely 

 ridged interval. The punctures of the head are rather coarse and 

 parted by a broad impunctate median line. 



Atheta fugitans n. sp. Rather slight and smaller, shining, black, 

 the pronotum feebly picescent, the elytra somewhat pale flavo-piceous, 

 the legs pale; punctures small but asperate, moderately close, sparse on 

 the abdomen, where the rather coarse reticulation is transversely 

 lineate in wavy lines; pubescence rather long and coarse, palish; head 

 transverse, four-fifths as wide as the prothorax, the eyes large, at two- 

 thirds their length from the base, the tempora less prominent, at first 

 straight and parallel, then rapidly transversely rounded to the base, the 

 carinre fine, not quite entire; antennae blackish, the basal joint paler, 

 rather short, gradually moderately incrassate, the second and third joints 

 equal, fourth distinctly, the outer joints mutually similar and strongly, 

 transverse, the last longer than the two preceding; prothorax moderate, 

 fully one-half wider than long, subparallel, scarcely rounded at the sides, 

 the latter rounding and more converging anteriorly, having a rather 

 large, shallow, transversely oval ante-scutellar impression; elytra moder- 

 ately transverse, with very feebly diverging sides, a fourth wider and 

 two-fifths longer than the prothorax; abdomen parallel, only slightly 



