246 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
from the laterals. Lateral eyes equal in size, their radius or scarcely 
more apart. Anterior row of eyes recurved; median eyes larger 
than the posterior median eyes (11:8.5), just their diameter apart, 
farther from the laterals. Area of median eyes wider in front than 
behind in the ratio 6:5 and wider in front than long in the ratio 10:9. — 
Lower margin of furrow of chelicera with three teeth of which the 
most proximal is largest; upper margin with three teeth of which 
the median is much the stoutest and longest. 
Sternum with caudal portion narrowly triangular as in the suc- 
ceeding species, and the caudal process similarly narrowly truncate. 
Spines of legs sparser, short and slender. 
Female. Length, 8 mm. Length of cephalothorax, 3.2 mm.; 
width, 2.7 mm. 
fem. _tib. pat. met. tar. total 
Leg I 4 mm. 4.2mm. 3mm. 1.lmm. 12.3 mm. 
Leg II 3.3 4 2.6 1 10.9 
Leg Tl 223 2.2 3 af) Ong 
Leg IV 3.7 4 256 il eA: 
Tibia I, 2.3mm. Tibia IV, 2.2 mm. 
Locality.— Huadquina, 5,000 feet, July. (Type, M. C. Z. 215, 
one female, not quite adult). 
EUSTALA MONTICOLA, sp. nov. 
Plate 18, fig. 7. 
Cephalothorax low, only moderately convex; head low; thoracic 
groove deep, longitudinal. Abdomen in outline from above subtri- 
angular. 
Carapace yellow of very dilute brownish tinge. Sternum and coxae 
of legs beneath yellow. Legs testaceous, the femora with a wide 
dusky ring at distal end and one near middle with in some legs a nar- 
rower one near base, these rings in the female type not sharply limited, 
the dusky color being more or less diffused, but in the male more 
sharply defined; tibiae with three broad dusky rings between which 
the dark color may also be more weakly diffused; metatarsi of pos- 
terior pairs with three annuli of which the proximal one is least dis- 
tinct, these less clearly defined on the anterior pairs; tarsi with a 
submedian dark annulus. Abdomen above dark greyish brown, 
embracing numerous fine dots and spots of white, several pairs of 
transverse dark lines running from outside a little caudad of mesad 
