PecJcham—Revision of the Attidce of North America. 463 
The females of floridanus and militaris are very different but 
the males are much alike. Floridanus is distinguished by the 
falces, which are wider in proportion to their length, by the 
straight tube of the palpus, and by the low position of the white 
bands on the sides of the abdomen. 
DENDRYPHANTES GLACIALIS SCH. 1905. 
Plate XXXVII, figs. 7—7b. 
1905. D. glacialis Scheffer, g <j>, Industrialist, XXXI, 28, p. 7. 
Length, $ 5 mm., $ 5.5 mm. Legs, S 1423, 5 4123. 
Spinal armature alike in the two sexes; tibia I 3-3, tibia II 
1-1 and 2 single spines, with 1 anterior lateral; met. I, II 2-2. 
The cephalothorax is reddish-brown, thinly covered with white 
hairs, with bands of white hairs along the upper sides to the 
end of the thoracic part. The abdomen is marked by alternate 
brown and white bands; the middle brown band does not reach 
the front end of the dorsum, the white stripes on either side of 
it being continuous; beyond these white stripes are wider brown 
bands, and beyond these the sides are white broken with brownish 
bars. The edges of all the bands are wavy. The legs are brown¬ 
ish-yellow, darker and somewhat banded in the male. The 
color becomes reddish in alcohol. 
The palpus of glacialis is somewhat like that of arizonensis. 
From Kansas only. Mr. Scheffer has two females from 
Manhattan and a pair from St. George. 
DENDRYPHANTES ARIZONENSIS P. 1901. | 
Plate XXXVI, fig. 7. 
Palpus, Wis. Acad., XIII, PI. XXVIII, fig. 2. 
1901. Dendryphantes arizonensis P., Trans. Wis. Acad. Sciences, Arts 
and Letters, Vol. XIII, p. 326. 
S . Length 5 mm. Legs 1423. 
The cephalothorax is narrow in front but widens in the thor¬ 
acic part. The quadrangle of the eyes is one-fourth wider than 
