34 Natural History Bulletin. 



T. LMPUNCTATUM, Bvend. Red-brown, pubescence thin. 

 Body impunctate, polished. Length, 1.3 mm. Plate XL, 

 Fig. 98. 



Head narrower than the prothorax, about as long as wide, 

 tempora not prominent, convergent, eyes not prominent, sides 

 but slightly divergent towards the terapora; occiput not im- 

 pressed, convex, foveas oblong, no circumambient sulcus, frontal 

 margin straight, frontal tubercle flat, not prominent. An- 

 tennce. shorter than the head and prothorax together, first 

 joint twice as long as wide, obconical; second quadrate nar- 

 rower than the first, third to eighth very small, transverse; 

 ninth and tenth gradually much wider, not longer than the 

 preceding one, the last large, ovate. Pal^i small, the third 

 joint obHquely rounded, larger than the last joint, which is 

 obliquely conoid with rounded sides, or truncate ovate. Pro- 

 thorax slightly wider than long, widest across the middle, 

 base two-thirds, neck about one-half of the median width; 

 disk not as concave as in the other species, the basal sulcus 

 slightly impressed, one-fourth from the base, fove« rather 

 shallow. Elytra rather high-shouldered, the sides sHghtly 

 arcuate, divergent behind, shghtly wider across the shoulders 

 than the prothorax, one-fifth wider across the tip; suture 

 slightly shorter than the apical elytra width, disk convex, bi- 

 foveate at the base, discal lines fine, half the elytra length. 

 Abdomen longer than the elytra, the first three segments of 

 nearly equal width, and subequal in length, with two short 

 basal carin£e. Legs rather short. 



Habitat. Virginia, Maryland. 



T. DiscLOR, Lee. Convex, of the form of T. dubmm, but 

 slightly smaller, of a rich dark brown color, the abdomen 

 piceous-brown. Length, 0.9 mm. 



Head, as wide as the prothorax, the occipital foveas small, 

 connected by an arcuate sulcus, occiput channeled in the mid- 

 dle or with a median impression, vertex punctate. Prothorax 

 longer than wide, impunctate, basal sulcus angulate in the 

 middle, deeply impressed, terminating in large lateral foveee 



