26 H. C. FALL. 



Head densely punctate, clypeal suture moderately impressed, nearly 

 straight, clypeal margin broadly sinuate at middle, the lateral angles 

 dentiform, the external sinuation distinct. Prothorax two-thirds 

 wider than long, sides nearly straight and subparallel in basal two- 

 fifths, thence more distinctly arcuate and convergent; not at all sinuate 

 in front, the angles a little obtuse but not rounded; punctuation fine, 

 dense and evenly distributed, lateral foveas indistinct. Elytra one- 

 half longer than wide, but slightly wider than the prothorax at base, 

 gradually wider posteriorly, three times as long as the thorax and 

 one-third wider at point of greatest width; first discal costa distinct, 

 second evident but feeble; intercostal punctuation completely confused, 

 the punctures not coarser and but slightly less dense than on the 

 thorax; discal costae with a somewhat irregular line of punctures, which 

 are scarcely finer than those of the interspaces and about as closely 

 placed. Beneath as closely and a little more coarsely punctate, 

 sparsely pubescent. Upper tooth of front tibia much nearer the 

 apical tooth than to the base. Claws cleft at tip, the lower portion 

 slightly shorter and subtruncate. Length 11^—12 mm.; width 6.2-6.4 

 mm. 



Habitat. — Missouri. 



Two specimens of this fine species have been sent by Mr. 

 Bowditch, to whom it gives me pleasure to dedicate it. The 

 sexual characters are remarkably pronounced for the genus. 

 In the male the terminal joint of the maxillary palpus is 

 evidently broader and obliquely truncate, the antennal club 

 a little larger and joints 1-4 of the front and middle tarsi are 

 furnished beneath with dense pads of yellow pubescence. 

 The hind femora in the female are stouter than in the male. 



This species is not represented in any other collection which 

 I have seen and the fact that the angulate or dentate clypeus 

 and pubescent male tarsi occur elsewhere only in a few species 

 from our extreme southern boundary and are more charac- 

 teristic of the Mexican fauna than our own, suggest a possible 

 error in locality. It appears to be quite distinct from any- 

 thing mentioned in the " Biologia." 



8. I), villosa n. sp. 



Castaneous, surface polished without trace of fine alutaceous sculp- 

 ture; punctuation coarse and dense, the punctures of about equal size 

 throughout and each bearing a suberect hair about one-third or one- 

 fourth as long as the scutellar width. Mentum declivous in front, 

 the declivity limited by a strong arcuate ridge and accompanying 



