210 bulletin: museum of comparative zoology. 



with diameter about three fifths that of the laterals ; laterals on well- 

 marked tubercles. Area of median eyes narrower in front than behind 

 in ratio 10:13. Lateral eyes usually their radius apart, the distance 

 being somewhat variable. 



Pars cephalica large, conspicuously elevated, highest immediately 

 behind eye-area, smooth and shining, (Plate 9, fig. 1). 



Sternum longer than wide in about ratio 5:4. Caudal process 

 short, narrow, (Plate 9, fig. 2). 



Labium grooved across base as usual; narrowed conspicuously 

 from above groove distad; distally obtuse, (Plate 9, fig. 3). 



Tarsus of palpus armed with a claw and a number of spines ; other 

 joints unarmed. 



Femur I armed with a single spine on anterior surface toward distal 

 end; other femora unarmed. Patellae unarmed. Tibia III armed 

 on anterior surface in subapical position with one spine; other tibiae 

 unarmed. Metatarsi I and II armed ventrally with three pairs of 

 spines; IV also with spines which are not distinctly arranged in pairs 

 but are more distributed along surface of joint. 



Superior margin of furrow of chelicera armed with three teeth of 

 which the median is largest; lower margin nearly transverse and with 

 two rather small teeth. 



Abdomen broadly subelliptic in outline. 



Cribellum bipartite, (Plate 9, fig. 5). 



Feviale {San Miguel). Length 8 mm. Length of cephalothorax 

 3.2 mm.; width, 2.2 mm. 



fern. tib. + pat. met. tar. total 



Leg I 2.5 mm. 3 mm. 2 mm. 1.2 mm. 8.7 mm. 



Leg II 2.25 2.7 1.9 1 7.85 



Leg III 2.1 2.2 1.5 1 6.8 



Leg IV 2.5 3.1 2 1.1 8.7 



Localities.— San Miguel, 6,000 feet, July. (Type, M. C. Z. 153 

 female; paratypes, M. C. Z. 154, females). Torontoy, 8,000feet, July. 

 (M. C. Z. 155, several females). Lucma, 7,000 feet, August (M. C. Z. 

 156). Urubamba, 9,500 feet, July. (M. C. Z. 157, one female). 

 Huadquina, 5,000 feet, July. (M. C. Z. 158, one female). Ollan- 

 taytambo, 9,000 feet, July. (M. C. Z. 159, one female). 



AuxiMUS sp. 



A single immature male of a species of this genus was secured at 

 Lucma in August. (M. C. Z. 160). 



