7o Natural History Bulletin. 



two short transverse folds on each side of the middle; thel last 

 is lozenge-shaped, punctured, carinate longitudinally. 

 Habitat. Atlantic slope from North to South. 



E. PERTENUis, Casey. ? very slender, linear, pubescence 

 fine and dense; surface nearly opaque. Length i mm. 



Head nearly as long as wide, very large; eyes large, nearly 

 invisible from above, tempora arcuate, longer than the eye; 

 base sinuate, vertex nearly fiat, distinctly punctate; in a line 

 through the center are two minute, pubescent foveas, mutually 

 equally as distant as either from the eye; connecting sulcus 

 deep, convergent, angulated and transverse behind the straight 

 frontal margin; frontal ridge sharp. AntenncB very short, 

 third to tenth joints transverse, ninth and tenth wider; tenth 

 three times as wide as long; eleventh wider, as long as wide, 

 acuminate. Labrum bilobed. Palpi with the second joint 

 clavate, the third small, transverse, fourth conical, twice as 

 long as wide. Prothorax narrower than the head, longer than 

 wide, widest before the middle, feebly sinuate at the sides 

 anteriorly, nearly straight posteriorly; neck one-half the pro- 

 notal width and four-fifths that of the base; disk convex, with 

 an oblong puncture before the middle and cruciform impres- 

 sion near the base, the lateral branches not reaching the small 

 foveae. Elytra^ across the shoulders, not wider than the head, 

 sides nearly parallel; disk one-fourth longer than wide, the 

 discal lines very short, shoulders prominent. Abdomen with 

 the third segment slightly wider than the elytra, the first two 

 carinate. Legs long. 



Habitat. Virginia. Unknown to us. 



E. CALiFORNicus, Cascy. Form slender, depressed; pubes- 

 cence fine, short, dense; body brown, pohshed. Length 1.3 

 mm. 



Head wider than long, tempora rounded, convergent, not 

 prominent; base sinuate; vertex depressed; in a Hne with the 

 middle of the eyes are two small, nude, foveas, mutually as 

 distant as either from the eye, and connected by a feeble 



