Genus Lasiodoia, C. Koch. 



339 



EE. Anterior eyes equal or the 

 medians smaller than laterals. 

 F. Cephalothorax distinctly 



shorter than patella and 

 tibia i. 

 G. Cephalothorax slightly 



longer than patella and 

 tibia iv. ; eyes of the an- 

 terior row subequal, s-epa- 

 rated from each other by 

 less than one diameter . '. differem, G\i».m\i. 

 GG. Cephalothorax as long as 

 patella and tibia iv. ; an- 

 terior median eyes much 

 smaller than laterals and 

 about two diametei's 

 apart. 

 H. Sternum about as wide 



as long pleoplectra, sp. n. 



HH. Sternum much longer 



than wide {9'5 X 6 mm.), dolichostertm, sp. n. 

 FF. Cephalothorax as long as or 

 slightly longer than patella 

 and tibia i. 

 G. Posterior lateral eyes about 



as large as anterior laterals, parahybana, Mello-Leitao. 

 GG. Anterior lateral eyes dis- 

 tinctly larger than poste- 

 rior laterals. 

 H. Stridulating-orgau con- 

 sisting of ten plumose 

 bristles, disposed in 

 three vertical tiles, 

 touching the suture on 



coxa i spinipes (Ausserer). 



HH. Stridulating-orgau on 

 coxa i. consisting of 

 seven bristles, in a single 

 file, separated from the 

 suture by a bare longi- 

 tudinal baud itabunefi, sp. n. 



1. Lasiodora acanthognatha*, sp. n. 



? . — 45 mm. ; cepli. 1 9 X 17 mm. ; legs 63-58-56-68 mm. ; 

 patella H- tibia i. 23 mm., iv. 22 mm. 



Carapace, fakes, and legs brown-olive, the carapace with 

 some sliort golden hairs in the cephalic area ; falces and legs 

 with long, distally slight, rosy bristles, sternum and coxse 

 paler. Abdomen more velvety black above, with fine, long, 

 orange bristles. 



* aKavBa, thorn, yvaPos, jaw — an allusion to the thorn-like 

 apophysis of the falces. 



22* 



