CHAMBERLIN: THE ARACHNIDA. 281 
and a half and seven times as long as area of the two posterior rows 
of eyes. 
Labium a little longer than wide (28:25), reaching a little distad of 
middle of endites; proximal notches long; distal margin wide, a 
little incurved, (Plate 23, fig. 2). 
Sternum but little longer than wide, convexly rounded in front; 
caudally ending in a short acute process between the last coxae. 
Chelicerae long and cylindrical, not very stout; lower margin with 
three subequal teeth; upper margin with three teeth of which the 
median is largest as usual. 
Tibiae I and II with three pairs of ventral spines of which the first 
two are very long and appressed, the distal pair much shorter; two 
spines on anterior and two on posterior surface. Femur I with three 
spines in middorsal line and with two on the anterior side of this and 
three on the posterior. Patellae I and II unarmed; III and IV witha 
spine on anterior and one also on posterior surface. Paired claws 
with mostly eleven or twelve long teeth, these a little curved distad; 
unpaired claw with two short teeth at base, (Plate 28, fig. 6). 
Male (Type). Length, 15 mm. Length of cephalothorax, 7 mm.; 
width, 5 mm. 
fem. _tib.-pat. met. tar. total 
Leg I 7mm. 8.5mm. 5.7mm. 3.5mm. 24.7 mm. 
Leg II 6.9 8 5.6 3.5 24.0 
Leg WI 6.7 7 5.5 3 22.4 
Leg IV 7.5 9 8.3 4 28.8 
Tibia I, 5.25 mm. Tibia IV, 6.8 mm. 
Female. Length, 13.3 mm. Length of cephalothorax, 6 mm.; 
width, 4.6 mm. 
fem. _ tib +pat. met. tar. total 
Leg I 5.9mm. 5.9mm. 4.2mm. 3mm. 19.0mm. 
Leg II 5.1 6.1 4.1 2.8 18.1 
Leg III 5 5.3 -L 22 16.5 
LegIV 6.2 7 6.6 3.1 22.9 
Tibia I, 4.9mm. Tibia IV, 5.2 mm. 
Locality.— Huadquina, 5,000 feet, July 26. (Type, M. C. Z. 
269, male; paratypes, M. C. Z. 270, one male and one female). 
Named for Edward S. Harkness of New York, a patron of the 
expedition. ; 
