456 ARANEIDEA. 
6", Tibia ii. not incrassate nor with any specialized 
holding-spines . . » 2 + © e+ es + + . Merazyeta, gen. nov. 
(There are also numerous other species which 
fall under this section ; but since it is impossible 
at present, owing to the absence of one sex or the 
other, to deal with them satisfactorily from a 
generic point of view, I leave them under the 
name Aranea.) 
Females. 
A. Lower margin of fang-groove with five teeth, the fourth smaller. 
Sternum at least one-half longer than broad. . . . . «© « « Marxta. 
B. Lower margin of fang-groove with three teeth only. Sternum not 
or scarcely longer than broad. 
a, Tibia iii. with a tuft of cilia on the anterior basal side 
b. Tibia iii. without any tuft of cilia. 
a‘. Protarsus and tarsus i. together longer than tibia and patellai. Murererra. 
6. Protarsus and tarsus i. together not longer than tibia and patella i. 
* Femora i—iv. without any series of spines beneath. 
a®. Posterior central eyes not larger than the anterior centrals. 
a’. Tibie i. and ii. furnished with spines beneath. 
a‘. Scapus of vulva directed forwards. . . . . - 
b*. Scapus of vulva directed backwards. 
a’. Scapus fused to basal portion ; no lateral sclerites . Acacusra. 
6°. Scapus not fused to basal portion ; lateral sclerites 
present ° 
6°. Tibi i. and ii. without spines beneath. 
(d) Cephalic region not separated from the thoracic por- 
tion by a deep semicircular groove. 
a°’. Central quadrangle of eyes not narrower behind . WaGNERIA. 
6°. Central quadrangle of eyes narrower behind. . . NeOscONELLA. 
(b) Cephalic region distinctly separated from the thoracic 
region by a deep semicircular groove. 
a’, Central quadrangle of eyes not narrower behind. 
Vulva without a free scapus oo . SALASSINA. 
6". Central quadrangle much narrower behind. Vulva 
with a free scapus . 
. « . « Mancora. 
. EHUSTALA. 
. « « © DREXELIA. 
see ew ew ew eh.) 6UCY¥CLOSA. 
6’. Posterior central eyes larger than the anterior centrals 
** Femora i—iv. with a single (or in i. and ii. in-some cases a 
double) series of spines beneath. 
a*®, Abdomen with cusps or tubercles. 
a’. Protarsi i—iv. without spines beneath. Scapus of vulva 
not fused to the base, but with lateral sclerites on 
each side . . . 
WIXIA. 
VERRUCOSA. 
