252 MEMOIRS ox THE COLEOPTERA 



body, dusky, the two basal joints rufous; prothorax less transverse, 

 a third wider than long, the sides rounded anteriorly, converging and 

 becoming feebly arcuate basally, the angles very obtuse, rather 

 sharply defined though not prominent at their apices; base slightly 

 narrower than the truncate apex; surface smooth, almost evenly 

 convex, the stria fine, not entire, the latero-basal region barely at all 

 impressed but with close-set, irregular, coarse and conspicuous 

 punctures, which do not quite extend to the side margins; elytra 

 only two-fifths longer than wide and two-fifths wider than the pro- 

 thorax, the parallel sides distinctly arcuate; striae rather deeply 

 impressed, the intervals evidently convex; hind tarsi moderate. 

 Length (c?) 3-2 mm.; width 1.22 mm. California (Hoopa Valley, 

 Humboldt Co.) discipulus n. sp. 



1 8 Form moderately stout and convex, shining, the head nearly deep 

 black, the pronotum rufo-piceous to nearly black, paler at apex and 

 base; elytra black, excepting along the suture and laterally toward 

 the humeri; under surface piceous-black, the sides of the prosternum, 

 epipleura and legs rufo-testaceous; head rather large, three-fourths 

 as wide as the prothorax or more, the eyes unusually large, prominent ; 

 antennae fuscous, the two basal joints paler, slender but not half as 

 long as the body; prothorax unusually short and transverse, two- 

 fifths to nearly one-half wider than long, the sides very moderately 

 rounded, less so basally, the angles very obtuse and so blunt as to 

 appear somewhat rounded; base very slightly narrower than the 

 feebly sinuate apex; surface smooth, the stria fine, the anterior im- 

 pression feebly evident, the posterior sometime rather strong though 

 indefinite and feebly anteriorly angulate on the stria, the latero-basal 

 region rather distinctly impressed and closely, rather strongly punc- 

 tate, the punctures not or scarcely extending to the sides; elytra 

 one-half longer than wide, not more than- two-fifths wider than the 

 prothorax, pallid along the external margin posteriorly, narrowly 

 medially and again more broadly toward the humeri: striae rather 

 impressed, deeply and with more convex intervals suturally, hind 

 tarsi rather long, very slender. Length (cf 9 ) 4.0-4.2 mm.; width 

 i-3~!-35 mm - California (Alameda Co. and Santa Rosa). 



sejunctus n. sp. 



19 Pronotal punctures extending over most of the basal, lateral and 

 apical parts of the surface, nearly as in puncticollis, the body here 

 however much narrower and more elongate. Shining, the pronotum 

 clear and pale, the elytra darker, testaceous, the latter not clouded 

 with black; under surface blackish, the prosternum, epipleura and 

 legs pale testaceous; head moderate, somewhat dusky, the eyes 

 moderately large, prominent; antennae very slender though barely 

 half as long as the body, fusco-testaceous, clearer basally; prothorax 

 relatively rather small in size, fully a third wider than long, the 

 sides broadly rounded, feebly converging posteriorly, becoming 

 scarcely straight at the hind angles, which are very obtuse, with their 

 apices finely acute and subprominent; base subequal to the truncate 

 apex; surface with rather evident punctate anterior transverse 

 impression, the posterior impression broad, giving a depressed 



