TULLGREN, ARANE.E FR, THE GRAN CHACO. 43 



t lie anterior row arranged in one a little recurved row 

 and equal in size. The two centrals of them about their 

 diameter apart and the distance from the nearest laterals 

 scarcely as long as their radius. The most laterals in the 

 first row much smaller and separated from the nearest in 

 tlie same row by an interval about 1^/2 their diameter. The 

 posterior lateral eyes largest of all and the distance from 

 anterior laterals as long as their diameter. 



Cheliceres dark reddish, clothed by long whitish hairs 

 and long blackish bristles. Inner margin of fang-groove with 

 two equal, broadly separated teeth, outer one with three, of 

 which the middle one is largest. 



Coxce of pedipalp and lahiutn dark brown-red with testa- 

 ceous yellow tips. 



Sternum nearly circular, yellow with a narrow reddish 

 margin and clothed with a short pubescence. 



Legs 2, 3. 1. 4, dark brown red, clothed with a pubes- 

 cence of grayish and black hairs. Femur I — IV with three 

 long spines above. Tibise without superior and lateral spines. 

 Tibia I and II with 2. 2. 2. long spines beneath; tibia III 

 and IV only with 2. 2. ones. Metatarsus with 2. 2. inferior 

 spines. Tarsus and metatarsus with a thick and long sco- 

 pula and large black pads at the claws. 



Ahdomen very depressed, nearly truncated in front, roun- 

 ded behind with a little backwards divergent sides. The 

 colour is grayish with a dark shadowing in the middle and 

 a black band on the sides behind and the apex. The venter 

 testaceous gray. The whole integument clothed with a whi- 

 tish pubescence. 



Vulva brown, much longer than broad, narrower in front. 

 Behind in the middle a deep longitudinal furrow, that for- 

 wards is divided into two branches, that surround an oval 

 backwards in the middle a little pointed plate. Conf. the 

 fig. 17. 



Measurem.ents. 



Total length 16,5 mm. 



Length of cephalothorax .... 6 » 

 Breadth » » ..... 7 » 



Length » abdomen 8,r) >> 



Breadth » » 6,5 » 



I 



