1878.] 619 {LeConte. 
impressions. Elytraa little wider than the prothorax, punctured, strice 
punctured, slightly impressed, obsolete towards the sides ; marked with a 
small rounded humeral spot. Beneath shining, finely punctured, legs 
entirely black; front coxze contiguous. Length 6 mm.; .23 inch. 
Detroit ; June ; one specimen. 
56. Canifa pallipennis. Elongate, rugosely punctured, finely 
pubescent. Head and prothorax black, the latter more than twice as wide 
as long, hind angles nearly rectangular, basal impressions broad, distinct. 
Elytra pale testaceous. Beneath and legs testaceous, abdomen and anten- 
ne Garker; second and third joints of the latter small, united shorter than 
the fourth. Length 2.7 mm.; .10 inch. . 
Marquette, Lake Superior. Similar to C. pusilla, but with 
the head and prothorax darker, and the elytra pale. 
ov. Dircza fusca. Elongate, fuscous brown, densely rugosely 
punctured, and clothed with short sericeous brown pubescence. Head 
perpendicular, more strongly punctured. Antenne and palpi ferruginous, 
the former with third joint not longer than the fourth, following joints 
scarcely diminishing in length, longer than wide, eleventh longer. Pro- 
thorax a little longer than wide, apex rounded into the sides; hind angles 
obtuse, rounded at tip. Elytra with faint traces of three elevated lines. 
Beneath densely punctulate. Length 8.7 mm.; .34 inch. 
Marquette, Lake Superior, Virginia and North Carolina. 
Larger than D. concolor, and easily known by the antenrice 
being ferruginous, and more slender, with the joints longer 
than wide. 
58. Hallomenus serricornis. Elongate, rounded at each end, 
not convex, blackish, shining, finely densely punctured and pubescent. 
Antenne scarcely longer than the head and prothorax, strongly serrate. 
Prothorax twice as wide as long, narrowed in front, strongly rounded on 
the sides, which are very finely margined ; base slightly bisinuate, margined 
near the hind angles, basal impressions broad well-marked. Elytra faintly 
striate, but the striz are not indicated by rows of punctures. Beneath 
finely and densely punctulate. Length 6.8 mm.; .25 inch. 
Marquette ; twospecimens. Larger than our other species, 
and of uniform dark piceous, nearly black color, with strongly 
serrate antenne. 
Table of the species of HALLOMENUS. 
Antenne not serrate, joints sub-quadrates. 05 0. iccteds sess ss des a 
Antenne strongly serrate, joints triangular......... 1. serricornis n sp. 
3. Minely oud. dimbetiv gancimreds ao ames semen: Gocclas civic cc 'eteds GLE 3. 
Very finely punctured, yellowish brown, elytra in front and legs 
Pooled sceahs vistelc cis seemless eter taste are soocdene 2. punctulatus. 
3. Piceous, antenne, legs and base of elytra testaceous......3. scapularis. 
Pale brown, head fuscous, much smaller (8 mm.).......... 4. debilis. 
