ARANEINZA. 455 
B. Patella of pedipalp with one spine only at the apex. 
a‘. Tibia iii., in both sexes, with a tuft of cilia on the anterior basal 
side... . . . . oe ee ee ee) 6M ancora, O. P.-Cambr. 
b*. Tibia iii. without a tuft of cilia on anterior basal side. 
a’. Coxa i. and femur ii. without hook and groove respectively. 
Anterior row of eyes strongly procurved . . . . . . . Marxra, McCook. 
6°. Coxa i. and femur ii. with hook and groove respectively. 
Anterior row of eyes straight or slightly recurved. 
a’, Tibia ii. with a stout apophysis.about the middle, bearing a 
pair of spines at its apex. . . . - - + + + ~ ~~ VWerrucosa, McCook. 
6°. Tibia ii. without a stout central apophysis. 
a’, Central quadrangle of eyes not narrower behind. 
a’. Posterior centrals two diameters apart; larger than the 
anterior centrals . . . . +. « « - «~~ « Wrxta, O. P.-Cambr. 
*, (The male sex is not known.) . . . . . . Satassrna, Simon. 
oO. coed quadrangle of eyes narrower behind. Posterior 
centrals one diameter or less apart, smaller than the 
anterior centrals. 
a’. Eye-groups very prominent, lateral groups situated on 
prominent tubercles, projecting forwards beyond the 
anterior margin of the mandible. 
a, Tibia ii. much incrassate, bearing on the inner side 
a double row of stout spines with five or six long 
spines on the underside. Femora iii. and iv. with a 
series of five or six spines beneath . . . . . . PaRawixia, gen. nov. 
6°. Tibia ii. scarcely at all incrassate, bearing a single 
series of three fine spines on both the inner and under 
sides. Femora iii. and iv. without any spines, or one 
ortwoonfemuriii, . . . . . . «+ ~~ . Cycnosa, Menge. 
b°. Eye-groups not very prominent, lateral groups not 
projecting forwards beyond the anterior margin of the 
mandible. 
a”, Abdomen with shoulder, lateral and apical cusps. . Waeneria, McCook. 
6°. Abdomen without cusps. 
a”, Tibia ii. with distinctly specialized holding-spines ; 
the segment itself somewhat incrassate. 
a, Specialized spines on the inner side of tibia ui. 
not arranged in series, but with two or more 
spines towards the base, one or two very long 
curved central spines on the inner side, and two 
or more shorter, stouter, curved spines on the 
underside. . . . woe se ws) . «©Acacesra, Simon. 
6°. Specialized spines on the inner, side of tibia il. 
arranged in a more or less definite series . . Evsraza, Simon. 
