CHAMBERLIN: THE ARACHNIDA. 255 
tance or but little farther from the laterals. Area of median eyes 
equal in length and breadth, wider in front than behind in ratio 
10:9. 
Sternum of usual general shape; posterior portion triangular, 
acutely pointed caudad. 
Legs abundantly armed with the usual long slender spines. 
Length of female 4.7 mm. 
Locality — Santa Ana, 3,000 feet, August. (Type, M. C. Z. 235, 
one female). 
ARANEA SEXTA, sp. nov. 
Plate’ 19) ‘fig: 7. 
Carapace broad behind with the head narrow; thoracic furrow 
transverse. 
Abdomen angulate above on each side near middle, (Plate 19, 
fig. 7). ’ 
Carapace pale testaceous, the head-region darker and with a fine 
light median longitudinal line extending caudad from between eyes. 
Sternum light testaceous. Legs testaceous, not at all annulate with 
dark. Abdomen in front of level of angles pale testaceous or even 
of whitish cast cephalad; a white transverse band at level of angles, 
the abdomen behind this a darker brown; venter pale, somewhat 
whitish mesally, brown laterally and caudally. 
Posterior row of eyes recurved as usual; median eyes circular, their 
diameter apart or slightly less, nearly three times their diameter from 
the laterals. Lateral eyes on each side nearly contiguous, the anterior 
a little the larger. Anterior row of eyes clearly recurved; median 
eyes equal in diameter to the posterior medians, once and a half their 
diameter apart and no farther from the laterals. Area of median 
eyes much wider in front than behind (16:13) and a little wider in 
front than long (about 8:7). 
Sternum with process between posterior coxae long, distally rounded. 
Labium and endites of the usual form. 
Femora and patellae of legs unspined; the tibiae, metatarsi, and 
tarsi with fewer long spines and numerous slender short, seriate or 
subseriate ones chiefly on the anterior surface. 
Length of female 4.4 mm. 
Locality — Panama, June. (Type, M. C. Z. 236, female). 
