THE PsELAPHID2 OF NorTH AMERICA. ae 
d1 Transverse sulcus faint. 
Head smooth, with a deep angulated impression, occiput convex 
not impressed. Length, 0.5 mm. - - simplex, Lec. 
c! Width of the shoulders less than that of the prothorax. 
Occiput not channelled, head distinctly punctulate; in the middle, 
before the line of the eyes, is a rounded tubercle. 
dubium, Lec. 
Occiput impressed, sulcus angulated on the frontal margin; 
transverse pronotal channel deep, elytral lines faint. Length, 
0.6 mm. - - - - - - americanum, Lec. 
T. FOVEICOLLE, Lec. (Leconte’s description.) Elongate, 
bright rufo-testaceous, very slightly pubescent. 
Head convex, smooth, with a fovea each side above the 
eyes, and a transverse angulated impressed line. Prothorax 
longer than wide, convex, with three sub-basal fovez, con- 
nected by a transverse impressed line; the lateral foveze are 
larger, and situated on the declivity of the sides. LZlytra 
bifoveate at the base, sutural line deep, dorsal one short. 
Antenne with ninth and tenth joints transverse. Length, 
0.9 mm. 
Habitat. Massachusetts. Unknown to us. 
T. GuLopireR, Lec. Yellowish brown, impunctate, form 
slender, pubesence thin, inconspicuous.. Length, 1.5 mm. 
Hlead comparatively small, with two large fovez behind 
and between the eyes, the connecting sulcus semi-circular; 
eyes small, oblong. Aztenne very little longer than the head, 
the basal joint cylindrical, longer than the second; third to 
ninth very small, gradually transverse; the tenth wider, disk- 
shaped; the last very large, oval, nearly half as long as the 
funicle. The last joint of the maxillary palpi is also very 
large. Prothorax as wide as long, less convex, rounded at 
the sides, narrower behind, with the lateral fovez connected 
by an arcuate sulcus. /ytra longer than wide, widest be- 
hind the middle, convex, dorsal impression short, sutural line 
deep. Abdomen not carinate at the base. 
Habitat. Georgia, South Carolina. 
