32 ARKIV FÖR ZOOLOGI. BAND 2. NIO 19. 



the tibise beneath are situated on large tubercles and forms 

 a row of about 10 or 11 strong upturned spines. That row 

 is best developed on the tibise of the second pair of legs. 

 The distal joints of legs are much narrower than by the fe- 

 male. The first coxa at the posterior upper margin with a 

 strong downwards directed conical process. 



Ahdomen a little depressed, ovate, longer than broad, 

 without tubercles. The colour is blackish brown, with a 

 dense hair-dress of grayish and blackish hairs. On a single 

 specimen there is on the back in front a triangulär briUiant 

 white spöt and at the sides two backwards convergent very 

 fine whitish stripes, that are scarcely visibJe on the most 

 specimens. 



Pedipalp2is conf. the fig. 9 c and d. 



Measurements. 



Total length 15,5 mm. 



Length of cephalothorax 8,5 » 



Breadth » » 7,2 » 



Length » abdomen 9 » 



Breadth » » 6,5 » 



Length » 1st leg 26 » 



» » 2d » 22 » 



» » 3d » 16 » 



» » 4th » 21 » 



Of these large and fine species the coUection contains 

 numerous adult males and females from Tatarenda, Bolivia. 



A. Borellii Sim. (Pl. 4, fig. 10 a- d). 



Simon, Eug., BoUetino dei Musei di Zool. ed Anat. di Torino. Vol. 

 XII, N:o 270, p. 6. 1897. 



Female. — Cejjhalothorax broad oval, moderately convex 

 with the ocular region prominent. The front is truncated 

 without lateral projections, only with a low central ocular 

 tumulus. Cephalic and thoracic strise distinct. Central fur- 

 row deep and dark brown. The colour is yellowish brown 

 with the thoracic part with a large backwards strongly ta- 

 pering blackish brown spöt not reaching the central furrow. 

 The integument clothed with a fine and short, adpressed 

 grayish pubescence. Clypeus much lower than the length of 

 the central ocular area. 



