Araneides of the United States. 461 
18. HERPYLLUS PARCUS. 
Plate XXIV. Fig. 19. 
Description. Rufous; abdomen with some transverse sub- 
obsolete obscure bands near the apex, where the abdomen is 
covered with hair which turns pale green in a certain light, 
pale underneath ; first two pair of legs with two rows of knobs 
on which long hairs are inserted. A small species. 
Observations. This spider is usually found under logs in 
the woods. It is strongly characterized, and cannot be taken 
for any other. The hairs or bristles on the knobs of the legs 
are laid close on the leg, and are not visible to the naked eye 
on that account ; they are probably susceptible of voluntary 
Motion, for defence. ` 
Habitat. Alabama. July, September. 
19. HERPYLLUS ALARIUS. 
Plate XXIV. Fig. 20. 
Description. Cephalothorax pale rufous, with a scolloped 
Margin darker; abdomen obscure piceous with four or five 
transverse bent lines yellowish ; feet, pale, first. pair. with the 
top of the thighs and the two next joints blackish hairy, se- 
cond pair with a blackish ring on the antepenult joint. A 
small species, z 
Observation. This species was found under a board. 
Habitat. Alabama. 
Tribe III. Doubtful. 
20. HERPYLLUS? DUBIUS. 
Plate XXIV. Fig. 24. 
Description. Black; abdomen with two white spots ; feet 
rufous, thighs black. 
 VOservalions. This species, unfortunately not completely 
Painted, was found running on walls. 
Hbi South Carolina. 
