The Pselaphid^ of North America. 67 



conspicuously carinate; space between the carinse at the base 

 pubescent, margin flat. 

 Habitat. Eastern States. 



E. congener, Casey. Form slender, head large, wider than 

 long, prothorax as wide as the head, rather longer than wide, 

 humeral width as great as that of the head, elytra shghtly 

 longer than wide; color brown, legs paler, pubescence short, 

 coarse, dense, conspicuous. Length 1.5 mm. 



Head shghtly punctulate, eyes large, prominent, tempora 

 very convergent, longer than the eye, base sinuate, impressed 

 in the middle; more than one-third from the base are two 

 minute, pubescent fovese, mutually not more distant than 

 either from the eye; the connecting sulcus is extended on to 

 the tempora, the enclosed space narrow, convex, impunctate; 

 frontal tubercles large, angulate, frontal ridge depressed in 

 the middle. Antennce one-half longer than the head, third to 

 eighth joints monihform; eighth smallest; ninth twice as wide; 

 tenth longer and wider, two-thirds wdder than the ninth; the 

 last is as long as wide, slightl}' wider than the tenth, acumi- 

 nate and annulate at the apex. Prothorax as wide as the 

 head, widest before the middle, nearly as wide as long, feebly 

 arcuate at the sides anteriorl}', posteriorly convergent, nearl}' 

 straight, feebly undulate; neck half as wide as the disk; disk 

 minutelv and sparsely punctulate, convex, wdth a small elon- 

 gated puncture before the middle; one-fourth from the base a 

 narrow, arcuate sulcus connects the deep, triangular, median 

 impression with the deep, round, pubescent, lateral foveas. 

 Elytra^ across the high shoulders, as wide as the the head; 

 sides arcuate; disk slightly longer than wide, convex, impunc- 

 tate, sutural lines parallel, lateral ones broadly impressed, 

 abbreviated before the anterior third. Abdomen with the 

 sides divergent posteriorly, first three dorsals equal, the two 

 basal ones with approximate divergent carinee. Legs slender. 

 6, third segment minutely produced behind in the middle, 

 fourth with a small tubercle in the center. 



Habitat. Virginia. 



