TULLGREN, ARANE^ FR. THE GRAN CHACO. 7Si 



Labium of the same colour, longer than broad. 



Sternum blackish brown, a little tapering between ante- 

 rior coxae. 



Legs blackish brown with more or less distinct paler lon- 

 gitudinal stripes above. Patella + tibia III a little shorter 

 than patella -}- tibia IV. Anterior metatarsi a little longer 

 than tarsi. Patellae with lateral spines. Tibia I with 1. 2. 2 

 spines beneath and 2 anterior laterals. Metatarsus I and II 

 with 2. 2 spines beneath. Posterior legs with numerous 

 spines. 



Abdomen elongate oval, grayish black above, grayish 

 brown beneath. Pubescence shaved off. 



Mamillm long and black. 



Pedipalp conf. the fis- 37 a — c. 



Measurements. 



Total length 5 mm. 



Length of cephalothorax 2,5 » 



Breadth » » • • . . . 1,9 » 



Length » abdomen 2,5 » 



Breadth >> >> l.s >> 



Length » 1st leg 4,4 » 



» . » 2d » 4 » 



» » 3d » 4,7 » 



» » 4th » 5,1 » 



Å single male from Casabinda, Puna de Jujuy, Argentine. 



E. bifoveolata n. sp. (Pl 9. fig. 38). 



Female. — Cephalothorax longer than broad with slightly 

 c ur ved sides. It is comparatively high with nearly straight 

 profil. Central furrow very small, situated a little behind 

 the posterior eyes. The whole integument densely clothed 

 with white scale-like adpressed hairs. The colour of integu- 

 ment is dark brown with the region of eyes black. 



Eyes. — Anterior row sliglitly recurved with eyes nearly 

 contigous. Clypeus very inclined and not as high as the 

 radius of anterior centrals. Eyes of second row very small 

 situated 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 para Hel sides, 

 much shorter than the posterior part of cephalothorax. 



