METAPHIDIPPUS. 261 
6. Abdomen without longitudinal black bands. 
1. Abdomen with a central anterior dorsal transparent cruciform mark. 
Vulval area circular, the two orifices more adjacent . . . . . pallidatus, sp. n. 
2. Abdomen with a variegated brown pattern on the dorsal area. 
Vulval area broad, transverse, triangular-oval, the two orifices more 
remote from each other . ... . woe ew ew we. 6etpallidatus, sp. n. 
B. Posterior margin of vulval area more or less deeply notched. 
1. Vulval area longitudinal-oval, with a pair of large adjacent longi- 
tudinal-oval concave discs anteriorly, and a much smaller pair of dark 
subepidermal discs lying between these and the posterior margin . dicavatus, sp. n. 
ul. Vulval area without any large anterior oval concave discs. 
a’. Abdomen umber-brown, with numerous yellow or white elongate 
or cuneiform spots and bands. 
a’. Abdominal pattern consisting of a pair of elongate, parallel, pale, 
unbroken bars, not reaching the anterior margin; with two 
median lateral spots and three pairs of cuneiform spots poste-_ 
riorly, forming chevrons, these spots being placed on four pairs 
of deep black spots. Notch on posterior margin of vulva 
A-shaped, often very deep . . . . . .. . . . « bispinosus. 
. Abdominal pattern consisting of six pairs of pale cuneiform 
dorsal spots and two pairs of anterior lateral spots, the first 
pair of dorsal spots reaching the anterior margin. Scarcely 
any trace of black spots. Notch on margin of vulva more 
semicircular. . . . . woe ee . variegatus. 
b'. Abdomen either pale clay-yellow ‘without metallic scales, or clothed 
with pink, copper, or green iridescent scales. 
* Abdomen clothed with iridescent metallic scales. 
1 aa. Carapace also clothed with pink, copper, or green iridescent 
scales; not much inflated laterally behind the posterior 
eyes. 
a*, Abdomen with four round jet-black spots on each side . octonotatus. 
6*. Abdomen without these black spots on each side. 
2a. Abdomen with a narrow white marginal encircling band, 
and also (in M. apicalis) with lateral white transverse 
oblique spots as well. 
a**, Vulval area longitudinal-oval, with the orifices 
situated one diameter apart in a transverse-oval 
depression . 1. 1. ew ee we ww ww ee) CUpreUs, SP. T. 
b**, Vulval area triangular, without transverse-oval 
depression, having a pair of orifices one and a half 
diameters apart in the posterior half. Abdomen 
with anterior marginal band and three white trans- 
verse oblique lateral marginal slashes on each side . apicalis. 
