34 ARKIV FÖR ZOOLOGI. BAND 2. NIO 19. 



Length of 1st leg 14,6 mm 



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Male. — Cephalothorax entirely yellowish brown or with 

 a more or less distinct triangulär spöt on the cephalic area. 

 Much more tapering in front than by the female. 



Eyes. Diagram of eyes differs a little. Distance between 

 anterior centrals and laterals about twice the diameter of the 

 former apart. Distance between anterior centrals a trifle 

 shorter. Central ocular tumulus a little more projected. 



Cheliceres yellowish brown with the exteriör side more 

 or less blackish. Fang-groove as by the female. 



Legs and ahdomen as by the female, but the markings 

 less distinct on the back. 



Pedipalp conf. the fig. 10 c and d. 



Measurenients. 



Total length 7,5 mm. 



Length of cephalothorax 4 » 



Breadth » » 3,3 » 



Length » abdomen 4,7 » 



Breadth » » 3,2 » 



Length » 1st leg 12,5 » 



» » 2d » 10,8 » 



» » 3d » 7 » 



» » 4th » 11 » 



Several specimens from Salta, Argentine. 

 A. albostriata Keys (Pl. 5, fig. 11 a — b). 



Kevserling, E., Verh. der zool.-bot. Ges. zu Wien 1865, p. 815, Tab. 

 XIX, fig. 27, 28. 



This beautyfull species is characterized by numerous 

 long spines on the front of abdomen. 



A single female from Quinta, Prov. de Jujuy, Argentine. 

 Is vastly distribut ed in the northern parts of South America. 



A. tatareiidensis n. sp. (Pl. 5, fig. 12 a, b). 



Female. — Cephalothorax of ordinary shape. No projec- 

 tions at the front- angles. Cephalic and thoracic strise di- 



