6o Natural History Bulletin. 



parabolic sulcus; antennal tubercles sraaW, prominent. Anlemics 

 not much longer than the head, slender, ninth joint as long as 

 the tenth and twice as wide; tenth one-third wider than the 

 eleventh; the last joint is much wider, as long as the four 

 preceding together, elongate, ovate-acuminate. Prothoi'ax 

 widest before the middle, a little wider than the head and 

 slightly wider than long; base two-thirds of the pronotal width, 

 the neck one-half of that measure; disk convex, granular, with 

 a deep, median, fusiform sulcus, transverse sulcus one-third 

 from the base, but slightly dilated in the middle, connecting the 

 large, pubescent, lateral fove^. Elytra, at the shoulders, 

 wider than the pronotum, sides arcuate, disk quadrate, convex, 

 impunctate, shining, discal lines short, not conspicuous. Ab- 

 domen narrower than the elytra, impunctate, shining convex, 

 the first two dorsal segments with two short, distant, carin^e. 

 Legs short and slender. 



Habitat. Louisiana, Georgia. 



E. PLANiPENNis, Brend. Piceous brown, abdomen and 

 prothorax paler; much depressed, densely pubescent with fine, 

 appressed hair. Length 1.25 mm. Plate XII., Fig. 118. 



Head triangular, anteriorly truncate, posterior angles 

 strongly arcuate, eyes very prominent, as long as the tempora, 

 base entire, across the posterior angles twice as wide as the 

 straight frontal margin; frontal tubercles small, space between 

 them and behind the frontal margin deeply concave, occipital 

 foveee larore and connected with the frontal excavation by a 

 very short sulcus, leaving in the middle of the vertex a short, 

 acute, triangular elevation, posteriorly continuous with the 

 occiput. AntenncB one-half longer than the head, joints one 

 and two nearly equal, rounded, longer than wide, third to 

 eighth very transverse, equal, narrower than the second, ninth 

 one-third wider, tenth twice as long and wide as the ninth; 

 last joint ovate, truncate at the base, one-third longer than 

 wide, slightly wuder than the tenth, pubescence denser at the 

 tip. Palpi short, yellow'. Prothorax very broadly convex, 

 nearly plane, punctulate, sides evenly rounded with the basal 



