COLEOPTKRA. 169 



oval, as long as the next two together, second small, suh-globular, third 

 naiTow, elongate, as long as the next two together, joints three to nine equal 

 in width, club strong, slightly longer than wide, oval, very abriijit, last 

 joint spongy, with several rings of pubescence. Prothorax widest at one- 

 third its length from the apex where it is scarcely perc-ptibly wider than at 

 the apex and very slightly narrower than long ; sides very feebly converg(!nt 

 toward the apex and base, straight ; apex broadly and feebly arcuate, angles 

 obtuse and very slightly rounded ; base transverse in the middle, angles 

 broadly rounded ; disk broadly convex, narrowly margined along tlie sides 

 and base, finely and loosely punctate, punctures much larger and more 

 elongate-oval in the middle portion. Scutellum small, transverse, semi- 

 circularly rounded behind. Elytra at base broadly emarginate and as wide 

 as the pronotum ; sides parallel and feebly arcute for two-thirds the length 

 from the base, thence gradually convergent to the tip, each elytron narrowly 

 but obtusely rounded behind ; together leaving a small pubescent portion of 

 the abdomen exposed behind them ; disk striate ; striae fine and feebly 

 impressed, punctate, punctures fine, round, rather deeply impressed, and 

 very closely placed in the series ; intervals feebly convex, polished, very 

 faintly and minutely sub-reticulate ; the sutural interval alone has a row of 

 very minute and very widely spaced punctures, and the sutural stria con- 

 tinues with equal depth around the apex of each elytron, being continued 

 anteriorly as the marginal stria ; humeri prominent, acutely rounded. 

 Abdomen finely punctate. Legs short and slender ; posterior tarsi very 

 slender, last joint much longer than the preceding together; claws slender, 

 slightly dilated at base. Length 3. 2-3. 6 mm. 



Arizona (Morrison), 4. 



Tlie prosternum and its side pieces are strongly and almost equally 

 punctate ; the metasternum is punctate througliout, but mucli more 

 tinely so in the middle. The first segment of the abdomen is as long 

 as the next three together, second slightly longer than the third, the 

 latter as long as the fourth, fifth slightly longer than the second and 

 third togetlier, small additional segment very short, broadly arcuate. 

 The species should be placed near brunneus Horn ; the iirst segment 

 of the abdomen is not smooth in the middle, as is mentioned in the 

 description of the latter, but is uniformly and finely punctate through- 

 out. 



MOi\OCREPIDIUS Esch. 



M. fillitiinilS n. sp. — Form rather robust: sides parallel. Color black, 

 narrow indefinitely clouded median pronotal vitta dark rufous, posterior 

 pronotal procesjses very slightly paler, also narrowly along the lateral edges 

 of the prothorax, under surface black except narrowly along the edge of the 

 prothorax, more broadly behind where it includes the under surface of the 

 prosternal processes, legs brownish-flavate, antennae slightly paler toward 

 base, becoming dark fuscous, palpi paler ; pubescence short, recumbent, fine 

 and dense, very conspicuous, pale brownish-flavate, pubescence of abdomen 



