250 Natural History Bulletin. 



long, triangular, free angle rounded, half as wide as long. 

 Fourth pedunculate, three-fourths the length of the second, 

 securiform, widest in the basal third, the width here equal to 

 one-third of the length. Prothorax shaped as in T. -pHberii- 

 his, with live basal fovete, of which the middle one is larger. 

 Lateral fovere inconspicuous. Posterior margin thin and 

 finely elevated. Elytra as long as the prothorax and half the 

 head, width across the high, prominent shoulders less by one- 

 fifth of that measure. At the widest part, just behind the 

 middle, they are one-fourth wider; sides of the disk more 

 arcuate, otherwise as in T. -pnberuhis. Abdomen rather short. 

 Legs slender. 6 with the venter longitudinally bent downward 

 at the tip. ? elytra sHghth' shorter. 

 Habitat. California. 



T. PUBERULUs, Lee. Black, pohshed impunctate, elytra, 

 antennae, palpi, and legs, red-brown. Length, 1.6 mm. Plate 

 VII., Fig. 31. ' 



Head very convex from side to side, occiput elevated, 

 sloping evenly to the frontal tubercles which are square, the 

 dividing incision deep, no punctures or fovea; on the vertex. 

 Eyes prominent, rather coarsely facetted. Antennce with the 

 first joint obconical, longer than the adjoining frontal tuber- 

 cle and half as thick as long; second a little smaller, rounded 

 oval; third to eighth subequal, rounded, the eighth smallest; 

 ninth and tenth obconical, longer than wide, of the same form, 

 the tenth being at the tip, four times the width of the eighth. 

 Last joint ovate, truncate at the base, one-half wider near the 

 middle than the tenth joint, and as long as the two preceding, 

 thinly pubescent. Palpi with the first joint small cylindrical, 

 second clavate in the distal third, length equal to the distance 

 separating the eyes. Third more than half as long again as 

 the second, fusiform, more arcuate inside, widest near the 

 middle, width equal to one-third of the length; fourth securi- 

 form, pedunculate, nearly as long as the second, widest one- 

 third from its base. Prothorax longer than the head, of 

 equal diameter, widest just behind the middle, somewhat more 



