THE PsELAPHID® OF NoRTH AMERICA. 295, 
ceding, truncate at base, acute at tip. Pyrothorax polished, 
evenly and very obsoletely variolate, transverse, much wider 
than the head; lateral foveze small, fully visible from above, 
the middle one very conspicuous, deep, and naked. /ytra 
piceous-black, punctulate, discal lines deep, converging, 
humeral callus prominent. Addomen piceous-brown on the 
dorsum, dark red-brown on the venter where it is darker than 
the head and prothorax, first dorsal three time wider than 
long, the basal carine very near together, very fine divergent, 
one-third of the segmental length. Legs brownish-yellow, 
rather short and slender. 
Found under stones near Cedar Rapids, Iowa. 
B. puncticotuis, Lec. Piceous-black, shining, pubescence 
short, recumbent, elytra, palpi, and legs rust-red. Length, 
1.4 mm. 
Head from base to frontal margin longer than.the width 
behind the eyes, trapeziform; frontal tubercles strong, margin 
between them slightly arcuate around the frontal foveee. Face 
protruding, occipital foveze mutually twice as far distant as 
either from the eye. Antenne as long as the head and pro- 
thorax, first and second joints nearly equal in length and 
width, cylindrical, rounded; third and fourth narrower, more 
than twice as long as wide; fifth slightly longer, sixth and 
seventh shorter, obconical, longer than wide. Eighth and 
ninth gradually wider, shorter than the seventh, rounded, 
obconical, tenth double the length and width of the ninth; 
eleventh oblong-oval, one-half wider than the tenth, and as 
long as that and the ninth together. Pa/fz with the last joint 
not longer than the second, thick, ovate acuminate. Pro- 
thorax as long as the head, broader than long, deeply punctu- 
ate, lateral fovez in full view from above. A/lytra punctulate 
as broad across the low but prominent shoulders as the suture 
is long, and across the tips one-third broader. The sutural 
interval is roof-shaped, punctulate, discal lines deep, slightly 
convergent nearly entire. Addomen scarcely punctulate, first 
segment rather flat in the middle, the carinz distant more than 
