TULLGREN, ARANE^ FR. THE GRAN CHACO. 81 



Plate 6. 



Fig. 16. Vectius nig-er Sim. a dorsal view of male, b sternum and 

 cox?e, c pedipalp, d tarsus of first pair of legs, e scopuli- 

 forni hair. 



» 17. Selenops argentinus n. sp. Viilva. 



)) 18. Sparassus rapidus Keys. Pedipalp. 



» 19. Gayenna maculatipes Keys. Vulva. 



» 20. Oxysoma lineatiiin n. sp. Vulva. 



Plate 7. 



Fig. 21. AnyphcBna bicornuta n. sp. Vnlva. 



)) 22. Ctenus tatarendensis n. sp. a vulva of fullgrown female, 



b of yonng female. 



)) 23. Trachelopachys bidentatus n. sp. a and b pedipalp. 



)) 24. Ancylometes bolivianus n. sp. Vulva. 



)) 25. Aglaoctenus bifasciatus n. g., n. sp. Vulva. 



» 26. Lycosa excussa n. sp. Vulva. 



» 27. )) nialitiosa n. sp. a bulbus of pedipalp, b vulva. 



)) 28. )) soluta n. sp. Vulva. 



Plate 8. 



Fig. 29. Lycosa Nordenskiöldii n. sp. a and b vulva, c bulbus of 

 pedipalp. 



» 30. » gulosa n. sp. ai and a2 vulva b bulbus of pedipalp. 



)) 31. » proletaria n. sp. Vulva. 



» 32. » securifer n. sp. Vulva. 



)) 33. Pardosa tricuspidata n. sp. Vulva. 



j») 34. Oxyopes gracilis Keys. Vulva. 



Plate 9. 



Fig. 35. Oxyopes bolivianus n. sp. Vulva. 

 )) 36. Saitis uncifer n. sp. a and b pedipalp, c apophysis of ti- 



bial joint of pedipalp. 

 )•) 37. Euophrys (?) morenensis n. sp. a — c pedipalp, d coxa of 



pedipalp. 

 » 38. » bifoveolata n. sp. Vulva. 



Plate 10. 



Fig. 39. Euophrys ^?) punctata n. sp. Vulva. 

 )) 40. Pliiale quintensis n. sp.? a and b pedipalp. 

 » 41. Siloca (?) bulbosa n. sp. a and b pedipalp, c coxa of pe- 

 dipalp (male), d chelicer. 



Tryckt den 26 jiini 190.5. 

 Uppsala 1905. Almqvist & Wiksells Boktryckeri-A.-B. 



