66 NATURAL History BULLETIN. 
depressed; sutural lines arcuate, discal lines two-fifths as long 
as the suture. Addomen not longer than the elytra, two dor- 
sal segments with approximate, divergent carina. The ¢ 
characters are as follows: a deep transverse impression of the 
penultimate segment, the third and fourth, sinuate behind. 
Habitat. Maryland, Virginia. 
_ E. pirriciuis, Lec. Red, feebly and sparsely punctulate, 
pubescence fine, short, anddense. Length 1.2 mm. Plate 
XY Hig. 109: 
flead large, as long as wide, eyes small, prominent, tempora 
much longer than the eyes, convergent; base sinuate, with a 
median impression; vertex impunctate, highly polished, occip- 
ital foveze small, pubescent, situated near and behind the 
middle, slightly more distant from one another than from the 
eyes, clircumambient sulcus narrow, the parabolic very wide 
and deep behind the frontal ridge; supra-antennal tubercles 
very large, angulated externally. Antenne one-third longer 
than the head, slender, club large, ninth joint not longer than 
the eighth, twice as wide as long; tenth one-half longer and 
wider than the ninth; the last joint very slightly wider than 
the tenth, nearly globular, annulate and acuminate at the tip. 
Prothorax narrower than the head, slightly wider than long, 
widest in the anterior third, sides, behind the point of the 
greatest width, convergent and broadly sinuate; base three- 
fourths as wide as the pronotum, and one-half wider than the 
neck; disk convex, with a deep, elongated, median puncture 
in the middle; one-fourth from the base is a narrow, feebly 
impressed, transverse sulcus, connecting a large, deep, median 
impression with the circular, pubescent, lateral foveze near and 
behind the middle. 7/ytra, across the prominent shoulders, 
slightly wider than the prothorax and as wide as the head, 
sides parallel, arcuate; disk longer than wide, about as long 
as half of the head and the prothorax together, rather flat, 
sutural lines close, the lateral ones short, broadly impressed. 
Abdomen not narrower than the elytra, the first two segments 
