The Pselaphid^ of North America. 57 



ceding together, ovoid, obtuse at the apex, and ver}- hairy. 

 Prothorax widest in the middle, slightly wider than the head 

 and one-fourth wider than long, sides, anteriorly, arcuateiy 

 convergent, less so posteriorly, and feebly sinuate; disk mod- 

 erately convex, evenly punctulate, with a nearly straight, 

 deeply impressed sulcus one-fifth of the length from the base, 

 connecting the round, pubescent, lateral fovese with the nude 

 puncture of the middle. Elytra nearly quadrate, the sides 

 evenly arcuate, a little wider across the shoulders than the 

 prothorax; disk closely punctulate, convex, darker at the base 

 and tip, sutural lines straight, fine; base with two punctures; 

 from the external one emerges an ill-defined line, arcuate 

 externally, and converging toward the suture; one-fifth of the 

 length from the tip it becomes obsolete. Abdomen with the 

 sides nearly parallel, convex, closely punctulate, the first two 

 dorsals each with short, divergent, widely distant carin£e. 

 Legs long. Last palpal joint large, conical. 

 Habitat. Texas. 



E. CAvicoLLis, Lee. Reddish brown, abdomen paler, ely- 

 tra, legs, and antenna, red; surface polished, punctate, pubes- 

 cence coarse, conspicuous. Length 1.4 mm. 



/^^«(f large, slightly wider than long; eyes large, tempora 

 slightly arcuate, very convergent; occipital foveas wanting, the 

 circumambient sulcus deep, straight, convergent, arcuate 

 behind the frontal margin, the enclosed surface very convex; 

 occiput punctate at the sides, carinate at the middle, antenna! 

 tubercles strong, angulated. Antenn<T- robust, as long as the 

 head and prothorax together; third to eighth joints monili- 

 form; ninth slightly transverse; tenth twice as wide as long, 

 not longer than the ninth; the last is as long as the three 

 preceding together, slightly longer than wide. Prothorax 

 widest at about one-third the length from the neck, slightly 

 wider than the head, and wider than long; sides arcuateiy 

 convergent, strongly sinuate anteriorly, nearly straight and 

 less convergent posteriorly; neck about two-thirds as wide 

 as the base; disk punctulate, the punctures deep and far 



