10 TULLGREN, SPIDERS COLLECTED IN SOUTH-CHILE BY P. DUSEN. 



sence of spines of the anterior legs ray species differs from 

 the description of tliis genus published by M. Simon. 



O. chelifer n. sp. 



Male. — Cephalothorax red-brown, broadly oval, ver}'- 

 tapering towards the transversely abrupted front; compara- 

 tively convex, the highest point behind the middle and from 

 this towards the area of eyes nearly flat. The clypeus very 

 low, scarcely as high as the diameter of the anterior middle- 

 eyes. The eyes surronnded by black rings. The whole ce- 

 phalothorax clothed b}' short blackish hairs. 



Eyes. The foiir anterior eyes form a row a little pro- 

 ciirved. The anterior middle-eyes nearl}- eontignons and the 

 distance from the lateral ones about as long as the half of 

 the radius. The two lateral eyes nearl}'^ contiguous and the 

 posterior ones a little more separated than the anterior ones. 

 All eyes nearly equal in size. 



Cheliceres red-brown, about twice as long as broad, tape- 

 ring towards the apex. The claw-furrow with two teeth on 

 each margin. 



Maxillce and lahium red-brown. 



Sternum red-brown, broadly heart-shaped, projected be- 

 tween the posterior coxse, clothed with short and fine black 

 hairs. 



Legs 1, 4, 2, 3, long and slender, påle yellow-brown, 

 clothed with short påle hairs. The two first pair of legs 

 without spines. The tibia III with two spines on the front- 

 side and one on the hind-side; the metatarsus III near the 

 apex with three short ones; the tibia IV on the hind-side 

 with one spine at the distal part and two spines beneath at 

 the apex; the metatarsus IV with one spine on the front-side 

 near the middle and iive spines in the distal part near the apex. 



Äbdomeii long oval, påle brown, beneath with two small 

 blackish spöts near the niamillse; clothed with short. dark 

 hairs. 



Pedipalpus conf. Pl. I, fig. 2 a, b. 



Measurements: 



totul Icngtb 4,.-, mm. 



leiifTtli of the cepbalothorax . . • ••..!.>* 

 breadth » 1,:. 



