TULLGREN, ARANE.E FR. THE GRAN CHACO. 63 



been väst differences. Only on the ventral side of the ab- 

 domen it sIioavs a distinct difference. The coxse of legs are 

 påle yellowish brown only at the tips with a blackish shado- 

 wing. The sternum is yeJlow-brown with a very broad longi- 

 tudinal black band. The ventér of abdomen is on several 

 specimens one-coloured grayish, biit by some specimens there 

 is a large black spöt. 



Diagram of eyes is I think identical with that of the 

 female. In the same manner the cheliceres. The spines on 

 legs of the same number and arrangement. 



Pedipalp conf. the fig. 29 c. 



Measurements. 



Total length 16 mm 



Length of cephalothorax .... 8,ri » 



Breadth » » .... 6,.i » 



Length » abdomen 7 » 



Breadth » » 4,ö » 



Length » 1st leg 28, n » 



» » 2d » 27 » 



» » 3d » 24,5 » 



» » 4th » 30 » 



Of this species the collection contains numerous speci- 

 mens of both sexes, all collected at Tatarenda in Bolivia. 



L. g-ulosa n. sp. (Pl. 8, fig. 30 a, b). 



Female. — Cephalothorax dark brown with a short pubes- 

 cence that forms a narrow grayish marginal band on each 

 side and a broader central one of similar colour. The central 

 band reaches from posterior central eyes to the petiolus of 

 abdomen. Clypeus and front wdth short orange-red hairs. 

 Thoracic and cephalic striae distinct. 



Eyes. Anterior row slightly procurved with central eyes 

 a little larger. Intervals between anterior eyes equal to about 

 as long as the radius of anterior laterals. Clypeus a trifle 

 higher than diameter of anterior centrals. Distance between 

 anterior laterals and posterior centrals a little shorter. The 

 latter eyes largest of all, not fully their diameter apart. Se- 

 cond row of eyes a little longer than first (anterior) one. 

 Posterior lateral eyes very little smaller than central ones 

 and distance from them a little longer than their diameter. 



