88 NORTH AMERICAN 



This fine species is very distinct by reason of the peculiar elytral 

 structure ; the coarse pubescence and generally scabrous appearance, 

 recall very forcibly the structure of stygicus Say. 



67. S. texaiius u. sp. — Form robust, sides parallel. Pubescence mode- 

 rately long, sparse, coarse, semi-erect, pale fulvo-cinereous. Head moderate, 

 twice as wide as long : ihterocular surface rather depressed, not twice as 

 wide as the eye, equally trilobed by the rounded suleations ; intermediate 

 surface moderately convex, punctures coarse, isolated, evenly distributed, 

 close; ocular lines meeting at about two-thirds of a length in advance; 

 second joint of antennae distinctly shorter and narrower than the first, third 

 one-half as long again as the second, all piceous-brown. Prothorax uniformly 

 and arcuately widening to a point two-thirds of the length posteriorly, where 

 it is five-sixths as wide as the head and distinctly narrower than long; 

 sides thence moderately convergent, short, and distinctly sinuate; anterior 

 margin much- shorter and very much more arcuate than the posterior; sur- 

 face feebly tuberculate near the basal angles, and very feebly swollen near 

 the apical angles, also very feebly and transversely impressed just behind 

 the anterior margin, rather finely, very closely, and extremely irregularly 

 punctured and channeled. Elytra at base slightly narrower than the head; 

 sides feebly divergent posteriorly, about equal in length to the width at base, 

 strongly arcuate ; together very broadly, roundly, and rather strongly emar- 

 ginate behind ; suture very slightly shorter than the pronotum ; surface very 

 feebly and narrowly impressed along the suture toward the base ; coarsely, 

 in general closely and very irregularly punctured and channeled ; near the 

 suture and in front of the centre the channels are very close and outwardly 

 oblique, behind the centre inwardly oblique ; the punctures are usually 

 isolated by their own widths toward the outer apical angles, and coarser, 

 distinct, but polygonally compressed toward the bases, interspaces polished. 

 Abdominal segments decreasing uniformly in width and with extreme slow- 

 ness, first very slightly narrower than the contiguous elytra; sides nearly 

 parallel ; surface moderately convex, coarsely, rather closely, and evenly 

 punctate; transverse carinae 4- cuspid, cusps equal, short and rudimentary 

 on the first two segments, longer and more acicular on the third and fourth. 

 Legs rather short and slender, dark piceous-brown above, rather paler rufo- 

 piceous beneath; first joint of the posterior tarsi three-fourths as long again 

 as the second, very slightly shorter than the last, second joint nearly one- 

 hall as long again as the third, fourth short, thin, and oblique, fifth much 

 narrower at base than at apex. 



Male. — Unknown. 



Female. — Sixth ventral segment abruptly much narrower than the fifth, 

 evenly rounded behind. 



Length 4.0 mm. 



Columbus, Texas, 1; Western States (locality unknown), 1. 

 The antennae and palpi are missing. 



This species greatly resembles Virginia!, but differs from that species 

 in the somewhat longer elytra, which are much more narrowly emar- 



