THE PsELAPHIDZ OF NorTH AMERICA. 265 
half times as long as the prothorax, shoulders high, width of 
elytra across the tip a little more than twice the length of the 
head. Disk slightly convex, dorsal and sutural lines sharp, 
not deeply impressed, faintly punctulate, sides suddenly decliv- 
ous, very slightly arcuate. Abdomen broadly margined, first 
segment two and one-half times as broad as long, the long 
carinz including nearly one-half the width. Avztenne as long 
as the head and prothorax, first and second joints subcylin- 
drical, third to sixth subequal, globular, seventh to ninth 
gradually increasing in width, tenth one-half longer than wide, 
ovate. Legs slender, the ¢ intermediate thighs slightly 
gouged on the lower fourth, leaving an inconspicuous spindle, 
the tibia slightly dilated from the middle, tarsi thicker than in 
the other species. 
Habitat. United States south of the Ohio river. 
D. piscotor, Grendel, n. sp. Elongate, piceous-brown, 
impunctate, abdomen darker than the head and prothorax, 
elytra bright red, antenne red at base, the club brown. Legs 
reddish-yellow, palpi sulphureous. Pubescence fine and 
scanty. Length, 1.5 mm. 
flead with the vertex quadrate, evenly convex, inter-ocular 
fovez large, nude, mutually three times as far distant as is 
either from the eye. Between them is a small punctiform 
impression. A very shallow longitudinal impression origi- 
nates in the lateral fovese each side and separates the middle 
of the front from the sides. Eyes large, very near the lateral 
margin of the vertex. Clypeus margined anteriorly. Antenne 
as large as the head and half the prothorax, the two basal 
joints equal in width, the second shorter, third to seventh 
obconical, subequal, the third as long as the second; seventh 
half as long, transverse, eighth and ninth transverse, trape- 
zoidal, rapidly increasing in width, last joint ovate, as long as 
the three preceding. Prothorax very convex, little wider 
than long, sides rounded, arcuate, basal foveze nude, very 
large. lytra with the shoulders moderately prominent, the 
width across them equal to the length of the suture and one- 
