286 Hentz's Descriptions of the 
division of Aranea. But it is obvious that these characters 
require the separation. 
e spider upon which the subgenus is constituted has 
habits similar to those of PHorcus. It does not dwell in 
walls, but seeks dark nooks under any kind of rubbish which 
has been long neglected, and, when disturbed, runs off with 
its progeny, if it have any, and seeks for some darker place 
undisturbed by the broom of the housewife. It must live on 
microscopic animalcules, owing to its diminutive size, and the 
weakness of its threads. 
OOPHORA MERIDIONALIS. 
[Silliman's Journal, Vol. xli. p. 116.] 
late X. Fig. 9. 
Description. Livid white or pale yellow above and 
beneath; cephalothorax with two small, angular, plumbeous 
spots. . 
Observations. This small spider is common in dark corn- 
ers and obscure apartments, where it makes loose, slender 
webs in the manner of Pholcus. The female is always found 
with her eggs, when she has them, carrying them in her cheli- 
ceres. These eggs are not enclosed in a cocoon, but glued 
together in a mass consisting of from ten to fifteen. 
Habitat. North Alabama. 
MYGALE FLUVIATILIS. 
Plate X. Fig. 15. 
Description. Livid; cephalothorax with a depression near 
the middle above; abdomen with two transverse lines near 
the base; third pair of legs oe larger, though shorter 
than the reli: Feet 4. 1. 9. 3. 
Observations. 'This new des was found in the water 
during an inundation of the Tennessee River. It has been 
found since in its hole, deep in the ground. The tubular 
cavity, at least a foot in depth, was supplied with a door or 
silken lid, closing the aperture 
Habit 
at. Alibuns,-- Masio-Quisbets 
