524 Wisconsin Academy of Sciences, Arts and Letters. 
hairs. Clypeus reddish brown. Abdomen with a black, central 
longitudinal line over the anterior part of the dorsum, which 
bifurcates posteriorly, thus bounding a large, triangular, pale 
spot; this spot is limited behind by some irregular black marks; 
the sides are pale with black dots and spots. Falces, mouthparts, 
sternum and coxse all light brown. Venter pale with black dots. 
Legs brown with black rings and tips, the color being consider¬ 
ably darker on the last three joints of the first leg. $ . Ceph- 
alothorax and abdomen black, almost covered with mixed red 
and gray hairs; on the abdomen these hairs are thick at the 
base, and form three wide, longitudinal bands over the dorsum, 
and a large triangular spot behind the middle; near the apex, 
on each side, are two white dots, the anterior one larger and a 
little external to the posterior. Clypeus covered with short 
white hairs. Falces dark brown. Mouthparts, sternum and 
coxa? light brown. Legs and palpi brown with darker rings. 
Venter pale with irregular black dots. 
The spinal armature, in both sexes, is as follows: Tib. I 3-3, 
2 anterior laterals; tib. II 2-2 and 1 unpaired behind, and 2 
anterior laterals; met. I 2-2, 2 laterals; pat. I and II 1 an¬ 
terior lateral. 
California. 
HABROCESTUM FARVULUS B. 1895. 
1895. Saitis parvulus rf, Canadian Entomologist, 1895, p. 101. 
As we have no specimen of this species we copy Mr. Banks’ 
description. 
“Length, 3 nym.; ceph., 1.4 mm. long, 1.05 mm. wide. The 
eye-region black, the thoracic part reddish with two black spots 
on the posterior margin; the palpi and first legs black, the sec¬ 
ond legs mostly black; the other pairs yellowish. Ho black 
spots as in S. pulex; the mandibles red-brown; the sternum 
yellowish-brown; the abdomen black above, with a broad white 
stripe, broadest at the middle, beginning just before the middle; 
it contains five broad black chevrons; venter yellowish, with a 
median black spot and two black stripes. Similar to S. pulex , 
