224 
and with a conspicuous enlargement of the median line; the 
largest is less than the length noted for ponderosa. The 
coarse punctures are often confluent on the sides near the 
shoulders. The elytra of this and of the following species 
(except for marginal fringes) at first glance appear to 
glabrous, but they have sparse and exceedingly short pubes- 
cence, that even under a strong lens appears hardly more than 
dust. 
Variety. One specimen has the front tibiae bidentate; 
but agrees in other respects with the type and seven other 
Specimens. 
BYRRHOMORPHA BASICOLLIS, n. sp. 
Black; most of under-surface, and of legs, labrum, and 
sides of clypeus, obscurely reddish-brown, antennae poles 
Parts of under-surface and of legs with rather long, yellowis 
hairs or bristles, 
the other very small. Length, 9-10 mm. 
NU conte hope, Lucindale (B. A. duyra" 7s 
and F. Secker), Sandy Creek (J. G. O. Tepper). Type, I dicke 
e under-surface is sometimes uniformly dull red if d 
brown; on two specimens the abdomen is almost black, een 
darker than the sterna, on another it is considerably pa ` 
than the sterna. On the head of one specimen there 1s í 
a to be due to less of its back part being pes 
cealed by the apex of the prothorax than in the others ks 
utural and sublateral striae of the elytra are 
There is an enlargement of the median line of the pronotum, 
.. clypeus (except that its punctures are smaller), nih 
‘mentum, outlines of prothorax and of elytra, and the: sc uv 
ae lum are as described in that speci F 
