CHAMBERLIN: THE ARACHNIDA. 241 
lateral direction at about one fourth length from anterior end; on 
caudal half on each side a row of four moderately large dark dots. 
Venter of abdomen with ground-color and network like dorsum but 
darker; a narrow median longitudinal stripe solid grey, a darker line 
along border of venter on each side. 
Posterior row of eyes strongly recurved; median eyes about two 
and one fifth their diameter apart and about three times their diameter 
from the laterals. Lateral eyes on each side separated by their diam- 
eter, their tubercles distinct but contiguous at base or nearly so. 
Anterior row of eyes recurved as usual; median eyes equal in size to 
the posterior medians, one and a fifth their diameter apart and more 
than three times their diameter from the laterals. Area of median 
eyes much wider behind than in front, the ratio being 11:9, slightly 
wider than long. 
Upper margin of furrow of chelicera in female with nine teeth; of 
these the first and third from the fang are the largest and are separated 
by a wide space in which the much smaller second tooth lies, (Plate 18, 
fig. 4). Teeth of lower margin with nearly the same eatmuaees aan: as 
those of the upper. 
Abdomen long and slender, somewhat more than four times longer 
than the greatest width, narrowly rounded caudad and gradually 
widening cephalad; anterolateral corners subrectangular, not gibbous. 
Legs with few spines of which those on femora are shorter than the 
diameter of the joint and those on the more distal joints are longer. 
Hairs more numerous on distal joints, somewhat oblique, of moderate 
length. 
Female. Length 11mm. Length of cephalothorax 3 mm.; width, 
1.9 mm. 
fem. tib.+ pat. met. tar. total 
Leg I 8.2mm 96mm. 9.tmms, 2.lnms 26-9 mm 
Leg II 35° ae 5 1e5 ig/ oll 
Leg WI 3.1 2.2 2.2 1 8.5 
LegIV 5.6 5.6 5 193 17.5 
Tibia I, 8.8mm. Tibia IV, 4.8 mm. 
Locality.— Sorontoy, 7,000 feet, September. (Type, M. C. Z. 205, 
female). 
TETRAGNATHA sp. 
« 
Locality.— San Miguel, 6,000 feet, July. (M. C. Z. 328, immature). 
