MISUMENOIDES. 15 
Males. 
A. Tibi and protarsi i. and ii. with one or two pairs of moderately 
stout spines on the underside. 
1. Tibize of legs i, and ii. parallel-sided, normal, not incrassate. Legs 
i, and ii. unicolorous, brown or black throughout. 
a. Tibial spur of palpus long, straight, attenuate, and simple 
towards the apex. Lower spur short and stout . . . . . magnus, Keys. 
6. Tibial spur short, enlarged at base, terminating in a short sharp 
spur directed slightly outward. Lower spur longer and 
curving upward . . . . 1 1 ew ew we ew ee ee patrvus, Keys. 
il. Tibi of legs i. and li. incrassate. Legs i. and ii. black, tarsi and 
apex of protarsi pale. 
a. Tibize i. and ii. more incrassate. Abdomen orange, margined 
with dusky brown and with transverse brown bars on the 
posterior half of the dorsal area. Tibial spur long, broad, 
concavely truncate at the apex, the lower spur long and 
curved . 2... we eee ee ee eee Cttbialis, O. P.-Cambr. 
6. Tibize i. and 11. less incrassate. Abdomen black, speckled with 
white. Tibial spur similar. . . . .. . . . . . depressus, O. P.-Cambr. 
B. Tibiz and protarsi i. and 11. without any spines, or with one or two 
very fine ones beneath. 
a. Central anterior eyes distinctly smaller than the laterals. Legs 
i. and i. brown ; tarsi, base of protarsi, and tibiz paler. Tibial 
spur not. bifid; long, broad, its upper angle produced into a 
curving point. . . . Lee . . . . annulipes, O. P.-Cambr. 
6. Central anterior eyes distinctly larger than the laterals. Legs 
i. and ii. entirely brown throughout. Tibial spur very broad, 
divided into two branches, the upper one sharp, the lower 
squarely truncate at the apex. . . 2. 1... 1. ©). tfissus, sp. n. 
Females. 
A. Tibiz and protarsi i. and ii. not incrassate; spines on underside 
shorter, straighter, and not so stout, nor articulated on a more 
or less distinct ridge. Transverse ridge through the ocular area 
straighter and more pronounced. Tarsi iii. and iv. more clavate. 
Sternum longer than broad. Width of carapace equal to length 
of femur 1. 
i. Vulva consisting of a more or less prominent obtuse convex tubercle 
anteriorly. 
a. Carapace with a broad lateral brown band. Patelle i. and ii. 
not entirely brown, but mottled above and on sides with 
brown. Extreme base of tibia, protarsi, and tarsi suffused 
with brown. The obtuse convex tubercle at anterior margin 
of the vulva having a small deep pit in the centre and a 
BIOL. CENTR.-AMER., Arachn. Aran., Vol. IT., June 1900. tf 
