THE PsELAPHIDZ OF NorRTH AMERICA. 275 
B. LunIcER, Lec. Umber brown, punctulate, pubescence 
long, recumbent, elytra red, antenne dark red, last four joints 
fuscous, legs uniform red-brown. Length, 2.0 mm. Plate 
VIII., Fig. 50. 
Flead hexagonal, frontal margin concave, fovee large, eyes 
prominent. Axfenne longer than the head and prothorax, 
joints first to seventh cylindrical, gradually decreasing in 
length, less so in thickness, the fifth a little longer than its 
neighbors, eighth transverse. Club regularly thickened in the 
2; in the ¢ the eighth joint is wedge-shaped, transverse, the 
ninth bowl-shaped, tenth resembling a screw, eleventh oval, 
concavo-convex. Last joint of palpi rather long. Prothorax 
as long as wide, convex, punctulate, the rather small pubes- 
cent foveze equal in size, the lateral ones impressed on the 
sides, therefore not fully visible from above. /ytra punctu- 
late, shoulders hig}, discal lines straight, convergent, sutural 
interval elevated, highest in the middle. Addomen punctulate, 
first segment as long as one-third its width, no caring, but 
with a transverse ciliated pad, one-third as wide as the seg- 
ment. ¢ with the metasternum concave, anterior and inter- 
mediate trochanters with a short, strong spine. _ 
Habitat. Low, swampy ground in Maryland and Virginia. 
B. cAvicornis, Brend. Length, 2.2 mm. Plate VIII, 
Fig. 49. 
Differs from &. /uniger in the wider, less convex and punc- 
tulate prothorax, with the fovez all in full view from above; 
the abdominal carine are visible, and include one-fifth of the 
segmental width. The ¢ antenne have the last three joints 
different in form, the seventh, eighth and ninth transverse, the 
ninth wedge-shaped, the tenth screw-shaped, the eleventh 
triangular, resembling the last palpal joint of Tmesiphorus; 
é anterior and posterior trochanters spinous. 
Habitat. Maryland and Virginia. 
B. PERPUNCTATA, Brendel. Brown, polished, punctate. 
thinly pubescent. Length, 1.8 mm. Only the ¢ known. 
