Tue PseLAPHIDA OF NorTH AMERICA. 261 
Abdominal carinz separated by not more than one-half the seg- 
mental width. Color, dark brown, elytra and base of anten- 
ne bright red. - - - - - - - discolor. 
c? Prothorax punctulate. 
Abdominal carine including less than one-half the segmental 
width. ¢ femoral spine excessively long and sharp, in the 
middle of the thigh. - - - - -  — formiceti. 
D. ABNOoRME, Lec. Black compact, not very visibly punct- 
ulate, pubescence long, dark, erect. Elytra varying from 
black to dark red, legs palpi and antennz dull red. Length, 
1.5mm. Plate VIII., Fig. 40. 
Head, excluding the eyes, quadrate above, frontal margin 
slightly and broadly emarginate inter-antennal space concave, 
occipital fovez large, connected with the frontal concavity by 
faint convergent sulci, one on each side, which are sometimes 
absolute. Eyes prominent, facets coarse. /Pa/f~z with the 
third joint very stout, one-half longer than thick, acutely 
pointed. Antenne as long as the head and prothorax, the joints 
nearly equal rounded, the basal ones more oblong. The fifth 
‘to the eighth are more transverse, ninth and tenth gradually 
increasing in width, also transverse, eleventh ovate, not 
acuminate, one-third longer than wide. Prothorax fovea 
small. /ytra one half longer than the prothorax, the width 
across the high prominent shoulders but little less than the 
sutural length; across the tip they are one-fourth wider. The 
discal and sutural lines are very deep the intervals evenly 
convex. Addomen short, first dorsal three times as wide as 
long, the carine nearly entire including one-half of the entire 
width, borders broad, parallel. Legs strong, intermediate 
thighs with a rounded gouged channel from the upper edge 
posteriorly to the distal end, leaving a small sharp spine. 
Habitat. Northern States east of the Missouri river. 
Canada. 
D. exsecTumM, Brend. Reddish-piceous, robust, some- 
what more slender than D. adnorme, pubescence semi-erect, 
grayish-brown. Length 1.7 mm. Plate VIII., Fig. qr. 
