THE PsELAPpHIDA OF NortTH AMERICA. 235 
one-third the width of the head, broad, divided by a fine line 
which is prolonged backward and dilated into a broad shallow 
sulcus reaching to a line drawn through the anterior margin 
of the eyes. The posterior fovee are small and deep, placed 
in semicircular impressions, open towards the eyes, and 
leaving in the middle a narrow ridge which connects the 
elevated occiput with the two ridges running alongside the 
frontal sulcus to the frontal tubercles. The palpal joints are 
very transverse, bottle-shaped, terminating in long sete. 
Antenne in female half as long as the body, in the male 
longer, the first joint more than half the width of the frontal 
margin, concave anteriorly. The second is as thick as the 
first and half as long, third and fourth equal, longer than the 
second but not thicker; fifth to tenth equal in width, decreas- 
ing in length, tenth perceptibly longer than wide. Eleventh 
very little thicker and as long as the four preceding joints. 
In the female it is thicker and shorter. Prothorax barrel- 
shaped, convex, evenly vaulted, same length as the head, as 
wide as long, widest behind the middle, the median basal 
fovea oblong, reaching one-third from the base and thickly 
filled with pubescence; lateral fovez ample, pubescent, lateral 
depression shallow. /ytra one-third longer than the pro- 
thorax, width across shoulders equal to the length, tips one- 
fourth wider; humeri moderately prominent, discal lines 
abbreviated near the tip. Addomen along the posterior mar- 
gin of the first segments wider than at base, broadly margined, 
margins of the segments arcuate, equally convex, the two 
basal segments nearly equal in length. Legs very long the 
second tarsal joint longer than the third. 
Habitat. California. Arizona. (Wickham). 
Cr. picEus, Zec. Dark piceous, elytra, antenne, and legs 
reddish brown, palpi paler. Length 1.9 mm. Plate VI, 
Fig. 18. 
Head, including eyes, as wide as long, frontal tubercles, nar- 
row posteriorly, not transverse, the dividing line scarcely 
