TULLGREN, ARANE.E FR. THE GRAN CHACO. i O 



stripe behind the posterior eyes. Central furrow very small, 

 situated in a transverse depression a little behind posterior 

 eyes. The integument clothed with white and golden-brown 

 adpressed hairs and long blackish upturned bristles. 



Eyes. — Anterior row slightly recurved with eyes nearly 

 contigous. Clypeus very inclined and not as high as the ra- 

 dius of anterior centrals. Eyes of second row very small si- 

 tuated in the middle between the first and third row of 

 eyes. Eyes of third row very little smaller than anterior la- 

 teral eyes. Quadrangle of eyes with nearly parallel sides, 

 much shorter than the posterior part of cephalothorax. 



Cheliceres red-brown, about as long as the face. Inner 

 margin of fang-groove with a low conical black tooth. 



Coxce of pedipalp and labium dark brown with apical 

 corners rounded. 



Sternum blackish brown, much longer than broad, very 

 little tapering forwards between anterior coxae. 



Legs 4. 3. 1. 2, anterior ones much stouter. The colour 

 is påle yellowish. First pair of legs with broad black lateral 

 bands on femur, patella and tibia. Second and third pairs 

 with narrower more or less abrupted such bands. Fourth 

 pair only with black apical spöts. Tibia I with 2. 2. 2 spi- 

 nes beneath, tibia II with 1. 2. 2 spines beneath and 2 an- 

 terior lateral ones. Metatarsus I and II with 2. 2 spines 

 beneath. Posterior legs with numerous spines beneath and 

 above. Patella + tibia III shorter than patella + tibia IV. 



Ähdomen oval, longly tapering behind. The back is gray- 

 ish black in the formost half with a longitudinal white 

 stripe backwards followed by 4 or 5 /\-shaped transverse 

 white markings. Sides of abdomen whitish. Venter with a 

 broad black band including two fine longitudinal paler stri- 

 pes of döts. 



Vulva broader than long, black. (Conf. the fig. 39). 



Measurements. 



Total length 6,5 mm. 



Length of cephalothorax 3 > 



Breadth » > ..... 2,3 » 



Length » abdomen 4 » 



Breadth >> » 2,5 » 



