1941] 
Spider Fauna of New England 
143 
lateral margins on the embolus and the shape of the opening 
of the epigynum are of specific importance. 
The type of Ictus crassiventer Keyserling is a female, 
from Massachusetts and is in the museum collection. It 
agrees with what has been called Dendryphantes capitatus. 
Subfamily Sitticin^e 
Genus Sitticus Simon 1901 
Sitticus pubescens (Fabr.) (Fig. 2) 
Attus pubescens Fabricius, Syst. Ent., 1775, p. 438. 
Sitticus pubescens Berland and Fage, Arach. France, 
1937, 6 : 1186, 1255, figs. 1869, 1871. 
Male. Length, 4.8 mm., ceph. 2.2 mm., abd. 2.0 mm. 
Cephalothorax a very dark brown, cephalic portion with 
scattered short, white hairs most numerous about p.l.e. 
and forming a white spot about the middle of the eye area, 
cephalic portion high, ending a short distance posterior to 
the third eye row with a shallow depression, eye area flat, 
thoracic groove short and deep, thoracic portion much longer 
and wider than cephalic, with rounded sides, in about the 
same plane as the cephalic until the posterior third when 
it slopes rapidly to the margin ; eye area about two-fifths the 
length of the cephalothorax, wider in front, anterior row of 
eyes strongly recurved, eyes equidistant, row of long hairs 
above a.m.e., eyes of second row nearer first than third row, 
third row not as wide as cephalothorax and eyes smaller 
than a.l.e. ; clypeus below a.m.e. about a radius of a.m.e. ; 
mandibles rather small, vertical, flat in front, fang groove 
slightly oblique with four subequal teeth closely grouped on 
superior margin, inferior margin not defined but an oblique 
row of bristles from base of fang to median margin, fang 
with a wide base and evenly curved; sternum dark brown 
with white hairs about posterior margin, convex, anteriorly 
little wider than labium, fourth coxae almost touching; 
abdomen dark brown thickly covered with white and faun- 
colored hairs arranged in no definite pattern, venter paler; 
legs, 4-1-2-3, yellowish-brown with many short white hairs, 
femora clouded with dark brown, anterior tibiae with broken 
basal and distal dark rings, tips of tarsi dark, all joints of 
