TULLGREN, ARANEJE JFR. THE GRAN CHACO. 57 



Coxce of pedipalp and labium blackish with påle brown tips. 



Sternum blackish brown. 



Legs 4. 1. 2. 3, one-coloured blackish brown. Femora I 

 and II with 3 spines above; T with 2 apical ones on anterior 

 side and II with 0. .1. 1 spines on the same side; on poste- 

 rior side the femora I and II ha ve 3 spines. Tibise I and II 

 with 2. 2. 2 spines beneath and metatarsi I and II with 2. 

 2. 3 ones. Patella II with a single anterior spine. Posterior 

 legs with numer ous spines beneath and above. 



Ahdomen. The pubescence is nearly perfectly shaved 

 off but to judge of what remains, it seems to ha ve been 

 gray with a dorsal longitudinal black marking. The venter 

 has very likely been black. 



Vulva very long. Conf. the fig. 26. 



Measur ements . 



Total length 30 mm. 



Length of cephalothorax 12,3 » 



Breadth » » 8,8 » 



Length » abdomen 16 » 



Breadth » » ....... 10 » 



Length » 1st leg 32 » 



» » 2d » 30 » 



» » 3d » 27 » 



» » 4th » 36 » 



A single adult female from Tatarenda in Bolivia. 



L. malitiosa n. sp. (Pl. 7, fig. 27, a, b). 



. Female. — Cephalothorax dark blackish brown, at the 

 margins with a broad yellowish gray band and a similar 

 one along the middle. These bands are formed by the short 

 pubescence and beneath that the integument is paler yello- 

 wish brown. The same colour has the margin of clypeus. 

 Between the longitudinal bands there are some more or less 

 indistinct narrow radiating stripes of grayish colour. The 

 front with a short orange-red pubescence. The central fur- 

 row is very long and fine. 



Eyes. — Anterior row is a little procurved with central 

 eyes a little larger and about their radius apart, distance 

 from laterals a little shorter. Distance from anterior laterals 



