70 NaTuRAL History BULLETIN. 
two short transverse folds on each side of the middle; the 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 1 mm. 
flead nearly as long as wide, very large; eyes large, nearly 
invisible from above, tempora arcuate, longer than the eye; 
base sinuate, vertex nearly flat, distinctly punctate; in a line 
through the center are two minute, pubescent fovee, mutually 
equally as distant as either from the eye; connecting sulcus 
deep, convergent, angulated and transverse behind the straight 
frontal margin; frontal ridge sharp. Aztenwne 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. Pa/fz 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 
fovezee. H/ytra, across the shoulders, not wider than the head, 
sides nearly parallel; disk one-fourth longer than wide, the 
discal lines very short, shoulders prominent. Addomen with 
the third segment slightly wider than the elytra, the first two 
carinate. Legs long. 
Habitat. Virginia. Unknown to us. 
E. CALIFoRNICUuS, Casey. Form slender, depressed; pubes- 
cence fine, short, dense; body brown, polished. Length 1.3 
mm. 
Hlead wider than long, tempora rounded, convergent, not 
prominent; base sinuate; vertex depressed; in a line with the 
middle of the eyes are two small, nude, foveze, mutually as 
distant as either from the eye, and connected by a feeble 
