1878.] 425 [LeConte. 
with the 2d and 3d joints united equal to the 4th, but not so wide. Length 
10.5 mm.; .42 inch. 
Enterprise; one mutilated specimen. Quite distinct by 
the prothorax being not margined at the sides, and by the 
od joint of the antennze being much shorter than the 4th, 
which is as broad as the following ones, and subtriangular 
in form. The eyes, as in our other black species, are widely 
separated. 
Table of the Species of STRONGYLIUM. 
Black ; eyes moderate, widely separated...) 62... .s00 cece ewes wees 2: 
Greenish-bronze, very coarsely sculptured, prothorax not margined, 
sides slightly toothed ; eyes large, nearly contiguous. ...5. crenatum. 
. Prothorax finely margined at the sides; 3d joint of antenne longer 
ri) 
tomerthickened! ingiromnita. osiaiciets o 4<1staeive ee oe 4. simplicicolle, n. sp. 
3. Epistoma not thickened in front ; last joint of antenne yellowish....4. 
Epistoma thickened in front ; striz of elytra very coarsely punctured. . 
3. anthrax Schwarz. 
4. Thorax wider than long, feebly channeled............. 2. terminatum. 
Thorax longer than wide. ......:..... antclere day ehacuatencke ahaa 1. tenuicolle. 
128. Xylophilus nubifer, np. sp.—Moderately elongate, black, 
densely and finely punctured, clothed with sub-erect pale pubescence. 
Head brownish in front, eyes large, coarsely granulated, hairy; front 
narrow. Antenne brown, longer than the head and prothorax, somewhat 
thickened externaliy ; 2d joint thicker and a little shorter than the 3d; 
11th as long as the two preceding wider, obliquely truncate at tip, with the 
apical angle acute. Prothorax wider than long, vaguely impressed. Elytra 
dark piceo-testaceous, with a scutellar cloud, a rounded spot one-fourth 
from the base, and a broad, angulated band about the middle. blackish ; 
this band is extended along the lateral margin almost to the humeral cal- 
lus ; punctures strong, not very dense ; wider than the prothorax base trun- 
cate, sides parallel, rounded behind. Beneath finely, sparsely pubescent; 
palpi, front tibiz, and all the tarsi brown-testaceous. Length 2 mm.; .08 
inch. 
Enterprise ; one specimen, probably aS. More allied to 
X. ater and fasciatus, than to any other species in my collec- 
tion. 
Table of Species of XYLOPHILUS. 
Byes dhalittyges eataa ora 1s Bega ap efi afe te eRe ais Sicha a's 'c 3\e:'s'is) 0 ots 2. 
Eyes glabrous, widely separated, not oblique.........--..esscseeees 6. 
2. Hind angles of head rounded, not prominent; ¢\ antennée with the last 
jaint elonmPate ey linmricule elie samaca ake et icica sh. bieisle cia's ciety alate 3. 
PROC. AMER. PHILOS. soc. xvi. 101. 3A. PRINTED APRIL 22, 1878. 
