406 Wisconsin Academy of Sciences, Arts and Letters. 
We have Johnsonii from Salt Lake, Utah; Mill Valley and 
Sisson, California; Salem, Oregon; Pullman and Seattle, 
Washington; Victoria and Duncan’s B. C. Mr. Banks reports 
it from several places in central and southern California. 
PHIDIPPUS ARDENS P. 1901. 
Plate XXXI, figs. 4—4b. 
1901. Phidippus abdens P. % Wis. Acad. Sciences, Arts and Letters, 
XIII, p. 288. 
Length, S 8-11mm., $ 14 mm. Legs, $ 1423, $ 4123, the 
first pair, in the male, enlarged and fringed and longer than the 
second by the metatarsus and tarsus. Outer corner of the max¬ 
illa, in the male, with a hooked apophysis. 
This is a large handsome spider which usually has the cepha- 
lothorax and all the underside black covered with inconspicuous 
brownish hairs. The abdomen in the male is red, sometimes 
with two longitudinal black bands united behind, reaching the 
spinnerets but not the base. Over the abdomen are many long 
white hairs. The legs, excepting in one individual, are black 
with lighter proximal parts on the last two joints, most marked 
in the third and fourth pairs. The first leg is heavy, with black 
fringes above and below the femur, and below the tibia, alternat¬ 
ing with white at the end of the femur, on the patella, and on 
the proximal parts of the metatarsus and tarsus. In one spider 
the legs are all light, with the distal parts darker. The palpus 
is black with black hairs. 
The female has a red abdomen usually marked with a rather 
narrow central black band which does not reach the front end. 
This band has three pairs of red or white bars on the edges, the 
first and largest pair in front of the middle, the others behind. 
There is a gray basal band which runs back on the sides. The 
lower sides have inconspicuous red diagonals on the black 
ground. The legs are dark, more or less banded, and covered 
with gray hairs, the palpi light brown with black and white 
