280 Hentz's Descriptions of the 
which were yellowish where this is black ; otherwise agreeing 
with this in form and marking. 
Habitat. Alabama. August. 
Tribe Il. PARTITA. External eyes far apart. 
22, THERIDION TRIGONUM. 
Plate IX. Figs. 24, 25. 
Description. Pale brown or yellowish; lower middle eyes 
borne on tubercles; abdomen triangular with changeable 
rufous lines, chiefly on the sides; male rufous, abdomen tri- 
angular, narrower behind; feet ; 73.5, or 1.523. A small 
species. 
Observations. This species, though varying much in color 
and marking, is at once recognized by the form of its abdo- 
men, which, when viewed sideways, appears three-sided. It 
makes the usual web of Tueripion, but sometimes it has an 
additional web like that of Lixvenra. It is found, very com- 
mon in autumn, constantly in an inverted position in the 
middle of its web. Its cocoon is of a very singular shape, 
being orbieular and sometimes ovoid, with a neck turned 
downward, like an inverted gourd, and suspended by a 
thread attached to the web. One of those cocoons being 
opened was found to contain the pupa of an hymenopterous 
insect, a parasite. 
Habitat. Alabama. July — September. 
23. THERIDION VERECUNDUM. 
Plate X. Figs. 1,2. 
Description. Deep black, glossy ; abdomen with blood- 
red spots underneath which sometimes extend above in & 
chain, and with some waving white lines anteriorly, which are 
sometimes wanting; feet 1. 4. 2. 3. Male slender, abdomen 
with orange and white spots. 
Observations. This spider, by its jet black color, is readily 
