CHAMBERLIN: THE ARACHNIDA. 247 
but not meeting at middle, the median dorsal line being occupied by a 
fine dark line which presents short lateral branches; in the male 
there are caudad on each side two large proximate white spots and 
farther forward two short white marks. General background of 
venter of abdomen pale; just back of epigynum a median white spot 
on each side of which is a black spot of about equal size and farther 
laterad a longitudinal fine black line which reaches to a dusky area 
about the spinnerets. 
Posterior row of eyes strongly recurved; median eyes a little more 
than their diameter apart, nearly three times their diameter from the 
laterals. Lateral eyes on each side their radius apart, scarcely differ- 
inginsize. Anterior row of eyes recurved; median eyes a little smaller 
than the posterior medians (diameters as 7:8), twice their diameter 
apart, and between two and a half and three times their diameter from 
the laterals. Area of median eyes wider in front than behind in ratio 
25:22; wider infront than long (25:22). 
Sternum longer than wide in about ratio 5:4. Caudally triangular, 
the tip narrowly truncate. : 
Lower margin of furrow of chelicera with three stout conical teeth; 
upper margin also with three. 
Legs well spined, the spines moderate, appressed, blackish. 
Female. Length, 7.3 mm. Length of: cephalothorax, 3.5 mm.; 
width, 2.9 mm. 
fem. tib.+pat. met. tar. total 
Leg I 47 ram) O22 nim eo mines eemm..) lap sun. 
Leg II 4 4.7 3 1 12.7 
Lee WI. 2.3 pra | 1.2 1 6.6 
Leg IV 4.6 3.9 22s 1 11.8 
Locality San Miguel, 6,000 feet, July. (Type, M. C. Z. 216, 
female; paratype, M. C. Z. 217, immature male). 
ARANEA Sp. a. 
An immature female from Huadquina, 5,000 feet, July. (M. C. Z. 
218). 
ARANEA sp. b. 
An immature female of a second species also from Huadquina. 
(M. C. Z. 219). 
