TULLGREN, ARANE.tE FR. THE GRAN CHACO. 47 



Coxa of pedipalp yellowish brown witli testaceous tip and 

 narrow blackish stripe at the outer margin. 



Lohium much longer than half the coxa of pedipalp, 

 dark brown, darkest at the margins. 



Sternum oval, truncated in front and tapering behind. 

 Yellow with a broad reddish brown band along the middle- 

 line, clothed with a short blackish pubescence. 



Legs 1. 4. 2. 3. The colour is testaceous yellow: femur 

 I and II at the apex with a very broad brown ish red ring, that 

 above is more or less yellowish striped, femur III and IV 

 with a more or less incomplete narrow such ring at the apex ; 

 patellse yellowish, brownish red beneath; tibise with rings of 

 the same colour at the both ends, these rings broadest on 

 the first pair of legs. Metatarsus and tarsus påle yellowish 

 brown. Metatarsus IV with broad brownish red rings at the 

 both ends. Femur I and II with three dorsal long black 

 spines; tibia I and II with spines 2. 2. 2. beneath and meta- 

 tarsus with 2 basal ones. Posterior legs with numerous spines. 

 Anterior legs with a thin scopula on tarsus and the most 

 part of metatarsus. 



Ahdomen elongate-oval, tapering behind. The colour is 

 testaceous gray; on the back two broad lateral bands of 

 brownish red colour, that are jointed behind to a large dark 

 area. The venter with a broad band of same colour that 

 runs from sternum to the mamillge. Rima ventralis situated 

 long bef ore the middle ; the distance from that to the genital 

 aperture nearly one fifth of the distance between the ma- 

 millse and the rima. Mamillas more or less brownish red. 



Vulva yellowish brown, nearl}^ triangulär with truncated 

 apex and with posterior angles rounded; a little broader than 

 long. Behind there is tw^o deep pits, backwards limited by 

 two arcuate dark brown brims. Conf. the fi^. 21. 



Measurements . 



Total length • 6,8 mm. 



Length of cephalothorax .... 2,5 >> 



Breadth >> >> .... 2 » 



Length » abdomen ...... 4,i » 



Breadth >> » 2,3 » 



Length >> 1st leg 9,5 » 



