204 BULLETIN OF WISCONSIN NATURAL HISTORY SOCIETY. VOL. 1, NO. 4. 
legs is 3412. The first leg has fringes of brown hairs on each 
side of the femur and patella. At the distal end of the femur of 
the third is a rounded enlargement with a black spot in the mid- 
dle. From the northeastern part of Mexico. 
P. aztecanus. 
The abdomen has a basal band and a second transverse band, 
white, the two being connected by a short white band. The fakes 
are covered with white hairs on the inner two-thirds, while the 
outer third is black. The relative length of the legs is 3412. 
The femur of the third leg has the distal half light colored with 
tiansverse black lines, and the patella of this leg is yellow, with 
a strong apophysis, which is blackish at the end with a long 
stout spine. The clypeus is wdiite. From Mexico. 
P. paratus. 
The clypeus is red. The abdomen is covered with yellow 
hairs, excepting three large white spots on the back, and four 
obliquely elongated white spots on each side. The relative 
length of the legs is 1342, the first being much the longest. 
Tibia of palpus with an apophysis which is blunt, and nearly as 
wide as long. From the eastern part of Guatemala. 
P. splendcns. 
The cephalothorax and abdomen are highly iridescent, the 
cephalothorax being dark and the abdomen bright red. The legs 
are not modified. From Wisconsin, Massachusetts and Florida. 
P. iiwntaniis. 
The abdomen has a light herring-bone stripe down the middle, 
and a row of oblique light and dark markings on each side. 
Legs 3142, unmodified. Tibia of palpus with a large apophysis, 
straight on lower edge, rounded above, and wader at end than 
at base. From Rocky INIountains, Canada. 
P. viridipes. 
Legs 3412, unmo'dified. The cephalothorax has four white 
lines from the first row of eyes, extending over the cephalic plate. 
The abdomen is black, with a basal band, a scalloped band which 
encircles the posterior two-thirds of the dorsum, and a central 
spot, of a yellowish-white color. From Southern United States. 
P. borealis. 
The abdomen is black with a white basal band and a second 
white transverse band further back. The legs are unmodified, 
their relative length being 3412. From New Hampshire. 
