chamberlin: the arachnida. 221 



on anterior side and one subbasal toward caudal side of dorsal surface; 

 metatarsus with three pairs of ventral spines, two spines in line on 

 caudal and two in line on dorsal surface, and two pairs (apical and 

 submedian) on dorsal surface; metatarsus not at all scopulate. Leg 

 IV with femur armed above in median line with two spines, on caudal 

 side toward distal end above with one (or exceptionally two close 

 together) spine and on anterior with two in line (the distal of which 

 may be doubled); patella with one spine on caudal surface; tibia 

 with three pairs of ventral spines, two in line on caudal surface and 

 three on the cephalic, the most proximal of the latter more ventral 

 in position; metatarsus with three pairs of ventral spines (or one 

 spine absent from subbasal pair), two (apical and submedian) on 

 cephalic side, and two pairs and a single subbasal spine on caudal side; 

 metatarsus not at all scopulate. Claws of leg I with five slender 

 teeth, (Plate 12, fig. 2). 



Female. Length 12 mm. Length of cephalothorax 5 mm.; width 

 3.8 mm. 



fern. tib +pat. met. tar. total 



Locality — Cuzco, 11,500 feet, July 4. (Type M. C. Z. 170, female; 

 paratypes, no. 171, females). Ollantaytambo, 9,000 feet, July. 

 (M. C. Z. 327, several females). 



Apodrassus,^ gen. no v. 



Cephalothorax low, pars cephalica in profile descending moderately 

 anteriorly, much narrowed in front; thoracic stria fine, distinct, 

 moderate in length. 



Eyes relatively large. Posterior row of eyes strongly procurved, 

 the medians considerably farther from each other than from the 

 laterals. Anterior row of eyes also rather strongly procurved; the 

 medians the larger, widely separated from each other but very close 



' 'aTTo, away from, Drassus. 



