PECKHAM— PELLENES AND SOME OTHER GENERA. 
205 
P. clypeatus. 
The abdomen is black with a basal band and a median stripe 
white. The clypeiis is black with a few white hairs in the cen- 
ter, and a conspicuous, elongated, vertical spot under each side 
eye. The first leg is black except the metatarsus and tarsus, 
which are pure white; the leg is clothed with white scales, those 
under the tibia being extremely long and pedicellate. The third 
leg is not modified. From Colorado. Not in our collection. 
P. dorsalis. 
The abdomen is brown, paler beneath, with white scales and 
long hairs. There is a narrow white median stripe from base 
to apex, its posterior part broken into spots. There are some 
small spots on the sides. The clypeus is dark. The third leg 
is unmodified. From Hermosillo, Mexico. Not in our collec- 
tion. 
Females. 
P. nemoralis. 
General color, brown. The cephalic plate is covered with white 
and copper-colored hairs. There is no ridge of hairs above the 
first row of eyes (as in superciliosus) . The third leg is longer 
than the fourth by a little more than the tarsus. From Arizona. 
P. superciliosus. 
The abdomen is reddish brown, wath pale chevrons down the 
middle. There is a ridge of black hairs above the first row of 
eyes. The third leg is longer than the fourth by the tarsus and 
metatarsus. From Arizona. 
P. politus. 
The cephalic part has three longitudinal white bands. There 
is a white basal band on the abdomen. The hairs around the 
front middle eyes are rufus, above and below, and white on the 
sides. The middle of the clypeus has a large snow-white triangle, 
and outside of this are alternating bands of white and chestnut. 
The third leg longer than the fourth by the tarsus and metatarsus. 
From New Mexico. 
P. hirsutus. 
There is a distinct light basal band on abdomen. The 
white between the two middle eyes of the first row is continued 
back, soon dividing into two bands, which unite with the bands 
that come up from the thoracic slope, thus a diamond shaped 
