134 ARANEIDEA. 
Clypeus lower, two to two and a quarter diameters of an 
anterior central eye. 
1. Central anteriors distinctly further from each other than 
from the laterals. Posterior row almost straight . . MUISUMENOIDES, gen. nov. 
2. Central anteriors much closer to each other than to the 
laterals. Posterior row more strongly recurved. . . [Runcinia, E. Sim.] 
WI. Ocular area not exhibiting any distinct angular prominence 
between the lateral eyes. (Lateral eyes not separated on 
distinct tubercles, but united by a convex ridge. Posterior 
row less strongly recurved. Posterior laterals not larger than 
posterior centrals.) 
i, Lateral anterior eyes not larger than central anteriors. 
Posterior centrals and laterals distinctly smaller than central 
anteriors . . . 1 2. 1 ew ee ee ee ee ee) 6M isuueena, Latr.] 
ii. Lateral anterior eyes distinctly larger than central anteriors. 
Posterior eyes not smaller than anterior centrals . . . . MuIsuMENops, gen. nov. 
BB. Legs i. and ii. spinose, the femora as well as the tibize and protarsi, 
the latter furnished with lateral spines as well as with a paired 
series beneath. Protarsi i. and ii. with from 3-5 pairs of 
spines only beneath, and usually 3 lateral spines on each 
side. (Lateral eyes seated on two distinct tubercles; posterior 
row of eyes strongly recurved; posterior laterals distinctly 
larger than the centrals.) 
A. Lateral anterior tubercle larger than the posterior. Clypeus 
almost vertical. 
i. Legs much longer in proportion; tibie and protarsi i. and ii. 
each much longer than the carapace. (Central posteriors 
closer together than to the laterals; central quadrangle a 
little longer than broad, J, or as long as broad, ?.) . . . [Drama, Thor.] 
ii. Legs shorter in proportion; tibie and protarsi i. and ii. each 
shorter than the carapace. 
a. Tarsal claws i. and i. with from 3-6 denticles. 
1. Legs longer and more slender; tibiz i. and ii. with five 
pairs of spines beneath ; protarsi i. and ii. with five pairs 
beneath and three lateral spines on each side. (Femora 
more spinose than in Ozyptila, especially in the male 
sex. Females with three distinct erect spines on the 
upper surface of the femora, besides others. Eyes of 
posterior row either equidistant, centrals nearer together, 
or further apart.) . . 2. . . 1. . 1...) . « )e )6Xysticus, C. Koch. 
2. Legs shorter and stouter. Tibia i. and ii. with 2—2 
(Oxyptila) or 8—8 (Bassania) spines; protarsi i. and ii. 
with 3—3 (Oxyptila) or 4—4 (Bassania) stout spines 
beneath, and one or more lateral spines. (Central 
posterior eyes closer to each other than to the laterals.) 
