Peckham—Revision of the Attidce of North America. 407 
hairs. We have one female from Owen’s Lake which has an 
unusually short and narrow hand on the abdomen and an epigy- 
nnm which differs slightly from the ordinary form. In both 
sexes the clypeus is dark fringed with white, and the falces are 
bright metallic green. 
We are not certain that the male here described is the mate 
of ardens, bnt the resemblance is strong, and it comes from the 
same localities. We have the female from Owen’s Lake, Cali¬ 
fornia; Wallace, Kansas; and Santa Fe, Hew Mexico; and the 
male from Owen’s Lake, from Manhattan and Horton County, 
Kansas; and from Denver, Colorado. We have also a male from 
Chihuahua, Mexico (altitude 7000 feet), with the first legs 
relatively longer, longer than the second by the tarsus, metatar¬ 
sus and part of the tibia. It has also a finer tibial apophysis on 
the palpus. The all black palpus distinguishes this male from 
most of the red spiders of the group and the form of the palpus 
is very unusual. 
The female of ardens is very close to eoloradensis, but has 
the fourth leg plainly shorter than the total length, while in 
eoloradensis it is as long as the body. The epigynes are per¬ 
fectly distinct. 
We have three males and a female from Oklahoma, which we 
think must be classed as ardens, although the upper surface of 
the cephalothorax is red, like the abdomen. The abdomen of 
the female is uniform in color, lacking the usual white spots and 
black band. The palpus and epigynum are like those of the 
typical examples, but in all other respects the spiders are like 
cardinalis. 
PHIDIPPUS FORMOSUS P. 1883. 
Plate XXXI, figs. 2—2c. 
% 
1883. Attus formosus P. young <j>, New or little known Attidse, p. 23. 
1901. Phidippus rimator P. <j>, Wis. Acad. Sciences, Arts and Letters, 
XIII, p. 287. 
Since 1901 we have received large numbers of this brilliant 
species, and we do not now believe that it can be identified with 
