300 GEO. H. HORN, M. D, 



E. umbrosa n. sp. — Oval, slightly oblong, rufo-testaceous, moierafcely 

 sliiuing, sparsely pubescent. Head coarsely punctured, frontal impression 

 moderately deep. Antennae pale, formed as in monogama. Thorax less than 

 twice as wide as long, apex feebly emarginate, slightly narrower than the 

 base which is distinctly sinuate on each side, sides feebly arcuate and slightly 

 narrower at base than at middle, hind angles rectangular, margin narrowly 

 reflexed, surface rather coarsely and moderately densely punctured. Elytra 

 one-fourth longer than wide, slightly narrower posteriorly, sides feebly arcuate, 

 margin narrowly reflexed, apex truncate, surface clouded with fuscous, punc- 

 tured similarly to the thorax. Body beneath moderately densely punctate. 

 Intercoxal process triangular acute. Length .14 inch; 3.5 mm. 



Sexual characters as in labilis. 



This species resembles a large labilis, but the thorax is narrower 

 at base than at middle, the surface more coarsely punctured and the 

 elytra clouded with fuscous, so that an oval pale intra-hunieral spot 

 and another subapical are indicated. 



Two specimens, Fort Cobb, Indian Territory. 



E. obtusicollis Reitter. — Ovate, rufo-testaceous, feebly shining, sparsely 

 pubescent. Head moderatelj' densely punctate. Antennse pale, club fuscous. 

 Thorax rather more than twice as wide as long, apex feebly emarginate, nar- 

 rower than the base which is feebly sinuate on each side, sides feebly arcuate, 

 hind angles obtusely rounded, margin rather widely explanate and slightly 

 reflexed. Elytra one-fourth longer than wide, slightly narrowed toward apex 

 which is rotuudato-truncate, margin rather narrowly reflexed, surface (also 

 the thorax), moderately densely punctate. Body beneath moderately densely 

 punctate. Length .10 inch; 2.6 mm. 



Q'he male has no sexual characters excepting the additional dorsal 

 segment. The elytra are obliquely infuscate at the sides. 



I have seen only Mr. Reitter's type, which privilege I owe to 

 the great kindness of Mr. Chevrolat, through the intercession of 

 M. Salle. 



Its habitat is vaguely stated Am. Bor., and may not be from 

 our country. 



E. scaphoides n. sp.— Elongate oval, rufo-testaceous, moderately shining, 

 sparsely pubescent. Head moderately densely punctate. Antennse rufous, 

 formed as in monogama. Thorax one-third wider than long, slightly narrower 

 in front, apex deeply emarginate, base truncate, sides very feebly arcuate, 

 hind angles rectangular, margin widely explanate and broadly reflexed, sur- 

 face moderately densely punctate. Elytra one-third longer than wide, slightly 

 narrower posteriorly, apices conjointly emarginate, margin rather widely ex- 

 planate and broadly reflexed, surface punctured as the thorax. Body beneath 

 piceous, not densely punctate. Legs pale. Intercoxal process triangular acute. 

 Length .12 inch; 3 mm. 



Sexual characters as in labilis. 



This is one of the most peculiar species in our fauna, if it 



