250 NatTurAtL History BuLueETIN. 
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 7. puberu- 
Jus, with five basal fovez, of which the middle one is larger. 
Lateral foveze inconspicuous. Posterior margin thin and 
finely elevated. Z/ytra 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 7. puberulus. Abdomen rather short. 
Legs slender. ¢ with the venter longitudinally bent downward 
at the tip. @ elytra slightly shorter. 
Habitat. California. 
T. puBpERuLus, Lec. Black, polished impunctate, elytra, 
antenne, palpi, and legs, red-brown. Length, 1.6 mm. Plate 
Wil, Hig. 3t. 
flead very convex from side to side, occiput elevated, 
sloping evenly to the frontal tubercles which are square, the 
dividing incision deep, no punctures or fovez on the vertex. 
Eyes prominent, rather coarsely facetted. Antenne 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. Pa/pz 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 
