STEATODA. 
b*, Seape of vulva broad and transverse, emarginate in the 
middle, with each angle prominent . . . .. . 
6°. Vulva without any scape, but with a pair of orifices oné fall 
diameter apart. oe ee we el . 
B. Abdomen much lower dorsally, e convex, but not so gibbous above. 
i. Abdomen with a pale central dentated band on the posterior 
dorsal half, with lateral ramifications anteriorly; or with the 
central and lateral bands more or less broken up into separate 
spots. 
a*, Tibize of all four pairs of legs normally slender. 
a. Legs with at least the apex of the tibie and the protarsi 
more or less annulate with brown or black. 
a°. Pale central posterior dentated band constant (so far as 
one can judge from the material). 
la. Vulva consisting of a more or less circular cavity. 
1*, Vulval cavity quite circular . . . . 
2*. Vulval cavity with a posterior emargmation . 
16. Vulva consisting of a transverse oblong cavity, much 
broader than long oe . 
b°. Pale central posterior band broken up into separate spots. 
a’. Vulva forming a low conical projection with an apical 
sharp point . oe 
6". Vulva forming a low convex projection with a small 
apical cavity... . 6 ew ew we ee 
6°. Legs not annulate 
ok Tibize of all four pairs incrassate . . 
. Abdomen either entirely pale yellow; or yellow, with black and 
white spots, or black spots only. 
a’, Abdomen entirely pale yellow . 
b°. Abdomen yellow, with black or white spots, or - both. 
a’, Abdomen yellow, with black spots or blotches and brilliant 
white cretaceous spots. 
a°, Abdomen produced behind into a long conical point. 
Legs entirely yellow 
6°, Abdomen not or very slightly produced behind. Femora 
of legs slashed longitudinally on each side with dark 
brown or black. . . 1. . se 
6°. Abdomen pale yellow, with six minute black spots on the 
dorsal area . . . 2 « «© « 
Notz.—The female of Steatoda spiralis, Emerton, would fall into this list close to S. transversa. 
381 
oblivia, O. P.-Cambr. 
pura, O. P.-Cambr. 
transverse. 
compressa, nom, 1 
aspersa, Sp. 0. 
rostrata, O. P.-Cambr. 
morula, O. P.-Cambr. 
rufipes. 
munifex, O. P.-Cambr. 
viva, O. P.-Cambr. 
i 
albomaculata. 
voluta. 
sexmaculata, Keyserl. 
The type 
of S. albula (O. P.-Cambr.) cannot be found, so that I am unable to include the species in the Table. 
S. confraterna and S. elevata (Banks) are unknown to me. S. elegans (Tacz.) comes very close to S. albo- 
maculata and S. voluta. 
