260 ARANEIDEA. 
prongs, forming a little fork. Bulb not inflated, somewhat 
flattened in the basal region. ‘Tibial spur of palpus longer, 
more slender, sinuous, but straight, not curved ihe down- 
ward . . . furcillatus, sp. n. 
b'. Apical spine of bulb short, broad, flat, the i inner prong ‘of the 
fork the longest, the other often a mere barb-like cusp. Bulb 
much inflated in the basal region. Tibial spur of palpus 
shorter, stouter, falciform, abruptly curved downward at 
the apex . . . oe ew ew ew ee . furcatus, sp. n. 
6. Apical spine of bulb siteplen not bifurcate. 
* Spots and bands on the carapace primrose-yellow. (Abdomen 
with a short anterior dorsal and a broad entire marginal band 
of yellow scales. Apical spine of bulb broad basally, abruptly 
narrowed, straight, filiform to the apex, the bulb itself some- 
what broader.) . 2. 2. 1. 1. 1 ew ee ew we ee flavolineatus, sp. n. 
** Spots and bands on the carapace white. 
aa. Abdomen with a double row of four white cuneiform 
spots down the dorsal area. Apical spine of bulb broad 
throughout, lanceolate, the bulb itself narrower, elongate . variegatus, sp. n. 
66. Abdomen with iridescent scales, an unbroken white marginal 
band and three pairs of white spots in the basal half, two 
oblique spots on each side of the apex. Apical spine of bulb 
very broad, dilate, obliquely truncate at the apex, with a small 
cusp in the middle of the truncature, whose inner —— is 
produced into a point curving forward . . . . digitatus, sp. n. 
B. Spur of tibia of palpus bi-branchiate, with an equally developed upper 
and lower branch, the upper more slender and curved downward, 
sharp, the lower stouter, straight, truncate at the apex. 
(Apical spine of bulb very broad, base dilate, deeply embedded in 
the apical portion of the bulb, apex geniculate, curving forward, 
minutely bifid at the extreme point.) . . . . . . . . . . bicuspidatus, sp. n. 
Norr.—I do not know WM. centralis, M. letabilis, M. felix, and M. hondurensis (Peckh.), nor M. capitatus 
(Hentz), sufficiently well to enable me to include them in the Table. 
Females. 
A. Posterior margin of vulval area not or only slightly emarginate, not deeply 
notched. 
a. Abdomen with a broad black longitudinal band on each side of the 
dorsal area, but reaching neither the anterior margin nor the spinners. 
(Vulva with a transverse irregular oval area anteriorly, with two 
indistinct orifices close together in the anterior middle of this area, 
connected with a curved line on each side.). . . . . . . . . nigropictus, sp. n. 
