1945] Southern Spiders 189 
cate. It is separated from H. tachypoda Chamberlin and I vie, 
1944, found at Briar Creek, near Sylvania, Georgia, by the three 
white spots on the ocular area, the lack of modified hairs and 
bristles on the first tarsus, and the tibal apophysis. 
Genus Marpissa C. Koch 1846 
Marpissa rupicola (Hentz) 
Figure 2 
Attus rupicola Hentz, 1846, p. 357, pi. 21, fig. 14; reprint, 
1875, p. 61, pi. 8, fig. 14. “ 9 Alabama, September.” 
Female. Length, 10.5 mm., ceph. 4.5 mm. long, 3.5 mm. wide, 
abd. 6.0 mm. long, 3.5 mm. wide. 
Cephalothorax darkest about the eyes, two converging dark 
stripes from p.m.e. to posterior margin, with area between pale, 
quite flat, sides rounded, widest between second and third coxae, 
thoracic groove distinct; eyes, first row covers entire anterior 
margin, strongly recurved, a.m.e. almost touching and twice the 
diameter of a.l.e., eyes of second row slightly nearer first than 
third row, eyes of third row subequal with a.l.e., but convex; 
quadrangle same width in front as behind, a long bristle below 
each p.l.e.; clypeus about wanting below a.m.e.; mandibles 
brown, with many long white hairs, vertical, not swollen, fang 
groove short, upper margin with two teeth, one nearer base of 
fang larger, lower margin with one tooth, fang short with a 
thick base; labium more than twice as long as wide; maxillce 
brown, almost twice as long as labium, tip widened; sternum 
about two-thirds as wide as long, narrower than labium at an- 
terior end and ending in a rounded point in front of the fourth 
coxae, widest between second and third coxae; abdomen oval, 
quite hairy, dorsum flat, with a pale median stripe less than 
one-third the width of the abdomen, the pale stripe abruptly 
widened before the middle, the distal half bordered by dark 
stripes, a pair of small white dots above the spinnerets, sides 
mottled with dark, venter pale with dark dots; legs , 4-3-1-2, 
anterior pairs slightly enlarged, pale with ends of joints darker, 
spines, I pair, patella, 1 small prolateral, tibia, dorsal, 0, ven- 
tral, 2-2-2, distal, median and basal, spines of prolateral row 
larger, prolateral, 1-1, retrolateral, 0, metatarsus, dorsal, 0, 
ventral, 2-2, lateral, 0, II pair same as I pair, posterior pairs 
with many spines; epigynum large, chitinized area longer than 
