66 ARKIV FÖR ZOOLOGI. BAND 2. N:0 19. 



Legs 4. 1. 2. 3, dark brown with distal joints blackish 

 especially beneath. densely clothed with yellowish gray 

 hairs and blackish bristles. Femora I and II with 3 spines 

 above; I with 2 spines on anterior side at the apex, II with 

 0. 1. 1 on anterior side; I and II with 3 posterior spines. 

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

 and II with 2. 2. 3 ones beneath. Posterior legs with nume- 

 rous spines beneath and above. 



Ahdornen on the back grayish brown; in front with a 

 short longitudinal blackish band of nearly triangulär shape 

 and at the hind-angles of that it is blackest. On the sides 

 the spöt is limited by yellowish stripes. The sides and 

 venter of abdomen is yellowish gray without blackish mar- 

 kings. 



Vulva conf. the fig. 31. 



Measurements. 



Total length 15 mm. 



Length of cephalothorax 7,5 » 



Breadth » >> 6 » 



Length » abdomen ...... 8 » 



Breadth >> » 5 » 



Length » 1st leg 19 » 



» » 2d » 18 » 



» » 3d » 17,5 » 



» » 4st » 22,5 » 



Three adult females from Tatarenda in Bolivia. 



L. securifer n. sp. (Pl. 8 fig. 32.). 



Female. — Cephalothorax reddish brown, darker in front 

 and with radiating blackish stripes on pars thoracica. Nearly 

 all pubescens is rubbed off, but likely there has been a cen- 

 tral longitudinal band of grayish colour. Central furrow long 

 and fine. 



Eyes. — Anterior row procurved with eyes nearly equal 

 in size. Anterior centrals about their diameter apart and 

 distance from anterior laterals perhaps a trifle longer. Cly- 

 peus nearly as high as the diameter of anterior laterals and 

 distance from these eyes to posterior centrals at least twice 

 as long. Second row much smaller than first row and dia- 



