16 ARKIV FÖR ZOOLOGI. BAND 2. NiO 19. 



Measurements. 



Total length 20,5 mm. 



Length of cephalothorax 9 



Length of joints of 1st leg: 4—1,5—8—4—6—5—4 mm. 

 » » » » 4th » 3— 1,5— 8-3,5— 6-9— 4,5 mm. 



Female. On the young female the dorsal markings of 

 abdomen are very distinct. They consist of about five obli- 

 que and transverse yellowish stripes, composed of numerous 

 very small, more or less confluent spöts. 



The two specimens collected at Tatarenda in Bolivia. 

 The male is fonnd in mouldered wood. 



Ischnothele Auss. 



Simon, Eng. Hist. nat. d. Araignées T. IT, fasc. 4, pag. 968, 1903. 

 Cambridge, F. O. P. Spidevs from the lower Amazon in Proc. Zool. 

 Soc. 189fi. p. 761. 



This genus is in South and Central America represented 

 by about half a dozen species of which some are very vastly 

 distributed. In the collection of Mr Nordenskiöld are also 

 several specimens which I of several reasons must regard as 

 belonging to a species new for science. 



I. aiiiiulata n. sp. 



Female. — Cephalothorax dark brown with blackish margin 

 and clothed with a short adpressed pubescence that forms 

 two broad lateral bands of whitish colour. It is broad oval, 

 very compressed. Central fovea deep and minute, cephahc 



