459 Hentz's Descriptions of the 
placed, this might be taken for C. celer. Males and females 
were found in silk tubes constructed on leaves. A male was 
found in November, with imperfect blackish rings on the legs; 
one more distinct at the base of the antepenult joint. Isita 
variety or a distinct species? 
Habitat. Alabama. October, November. 
7. CLUBIONA GRACILIS. 
Plate XXIII. Fig. 19. 
Description. Yellowish; cephalothorax with two longi- 
tudinal bluish bands; abdomen with two longitudinal bands 
of numerous small red dots, the bands uniting towards the 
apex; feet, hairy, 4 19.3. "The sexes alike. rid 
Observations. This very active spider is often seen in mid- 
winter on a mild day apparently migrating in great numbers, 
being supported in the air by a long thread, and borne by the 
breeze. Once, many were seen in December, thus approach-: 
ing alarge tree, under the bark of which they probably "E 
tended to hibernate. A variety, perhaps a distinct species, 
was found, destitute of dots or bands; it was concealed in a 
silk tube on a leaf. 
Habitat. North Carolina, Alabama. 
8. CLUBIONA CELER. 
Plate XXIII. Fig. 20. 
Description. Pale ; cephalothorax with angular markings 
near the edge, and some lines; abdomen pubescent, with in- 
distinct dots; feet, hairy. Male resembling the female in 
every point of markings. . 
Observations. This little spider was found in December, 
suspending itself from a thread, and moving with great activity: 
A male somewhat larger than the scale was found in Alabama, 
April, wandering about at night. 
Habitat. . North Carolina, Alabama. 
vinted at tip, feet variable. 
Tribe V. Cavernosm. Eyes in two sub-par allel a 
