38 Trans. Acad. Set. of St. Louis. 



the distance from the eyes to the neck, then broadly rounded; punc- 

 tures moderately coarse, deep, more distinct and perforate than usual, 

 very sparse throughout, the lateral tumidity feeble; prothorax only 

 very slightly longer than wide, distinctly narrower than the head, sub- 

 parallel and very feebly arcuate at the sides, moderately coarsely, 

 strongly, somewhat closely but irregularly punctate; elytra much 

 elongated, two-fifths wider aud a third to nearly one -half longer than 

 the prothorax, the punctures moderately coarse, rather well separated, 

 confused ; abdomen distinctly narrower than the elytra, finely, sparsely 

 punctulate. Male with the transverse fold of the second ventral long, 

 about a sixth or seventh as long as the segmental width, the third 

 ventral also with a setose transverse fold but shorter than that of the 

 second, the lobe obsolete in specimens at hand; sixth obtusely arcuato- 

 truncate at tip; female with a transverse setose fold on the second 

 segment occupying median seventh or eighth of the width. Length 

 9.3 mm.; width 1.5 mm. New York (Long Island), New Jersey and 



North Carolina. {= proximum Csy.] parallelnm Csy. 



Head closely punctured, at least toward the sides 20 



20 — Third ventral of the male with a short transverse fold. Body moder- 

 ately stout, parallel, pale and uniform red-brown in color throughout, 

 the legs still paler and rather more flavate; head well developed, about 

 as wide as the elytra, the sides parallel and more or less arcuate behind 

 the eyes, then more broadly rounded to the neck, the punctures rather 

 coarse, separated by scarcely more than their own widths toward the 

 middle of the occiput, the lateral tumescent ridge — between the setig- 

 erous foveolae — strong; prothorax distinctly elongate, subparallel, 

 much narrower than the head, the punctures rather coarse but 

 impressed, not very close -set; elytra slightly elongate, much wider and 

 longer than the prothorax, coarsely but not very closely punctate, 

 the punctures confused, becoming sparser and subserial toward the 

 humeral augles; abdomen much narrower than the elytra, finely and 

 sparsely punctulate. Male with the transverse fold of the second ventral 

 very small, shorter than that of the third ventral, the latter also small 

 and occupying about median twelfth of the width, the lobe rounded, 

 extending about to the middle of the fourth in the only male at hand and 

 occupying median fourth of the width, the sixth ventral broadly 

 arcuato-truncate at tip; female with the abdomen wholly unmodified. 

 Length 11.0 mm.; width 1.7 mm. Arizona (Clear Creek Canon) and 



Colorado (Canon City), — Mr. H. F. Wickbam coloradeiise n. sp. 



Third ventral of the male with a small rounded fovea. Form rather more 

 slender than in ihe preceding, similar in coloration, the sculpture finer 

 and much denser; head rather depressed, not quite as wide as the elytra, 

 the sides parallel for a short distance behind the eyes almost evenly 

 arcuate thence to the neck, the punctures notably small and close-set, 

 the lateral tumidity feeble; prothorax distinctly elongated, sub- 

 parallel, much narrower than the head, the punctures rather coarse, 

 deep and moderately close-set; elytra longer than wide, more depressed 

 than usual, much wider and longer than the prothorax, the punctures 

 unusually small but deep and close-set, confused in arrangement, 

 sparser andsublluear near the humeri; abdomen slightly narrower than 



