266 Mr. R. I. Pocock on the Genera and 
length of tarsus and protarsus or tibia of palp, 
and about equal to length of protarsus of 
fourth leg. 
a°, Head, palpi, and limbs mostly of a uniform 
yellonvatinte Peeve Rese plske~!s =. cio elena paludicola, Poe. 
b°, Head partly infuscate; palpi and limbs 
with femora and tibize infuscate ........ Darlingii, sp. n. 
6°, Legs shorter ; width of head-plate about equal 
to that of tarsus, and protarsus of palp greater 
than protarsus of fourth leg. 
a’, With two teeth on upper mandibular fang, 
between second and third largest teeth ; 
width of head barely exceeding length of 
Eber OL Pals. ccrtiatsaiee yee acini eres eA ee Monteiri and 
ferox, Poe. 
6°. With only one tooth on upper mandibular 
fang between the second and third largest 
tooth. ; 
a’. Abdomen with a broad black dorsal band. brunnipes, L. Duf. 
6°. Abdomen without a broad black dorsal 
bald. ths cee de ee eee eee lethalis, Koch. 
The following South-African species of this genus that 
have been established are unknown to me, and I am unable 
to locate them by the figures and descriptions :— 
S. chelicornis, Lichtenstein, Cat. rerum nat. ii. p. 218 (1796) ; 
Licht. & Herbst (Nat. ungefliigelt. Insekten, i. p. 40, 
pl. ii. fig. 1), from South Africa (cf. infra, under jubata). 
S. setégera, Oliv. (Hneycl. Méthod. vi. p. 580, 1791), from the 
Cape of Good Hope. 
S. rufescens, C. Koch (Arch. Naturg. 1842, pt. i. p. 882, and 
Die Arachniden, xv. p. 72), from the Cape of Good Hope, 
is based upon a female showing some resemblance to that 
of S. hostilis, White. 
S. jubata, C. Koch (ibid. p. 78), is, according to Karsch (op. 
cit.), identical with chelicornis, Licht., the type of the 
genus. Whether this be the case or ‘not, the two will 
apparently fall under a’ of the above table (males), though 
they differ from Derbiana apparently in the much greater 
elevation of the flagellum.—Luc. Cape of Good Hope. 
S. vincta, C. Koch (ibid. p. 74), will probably fall under a’, 
but it has the flagellum short and angulate above. Both 
this species and the preceding are brown in colour, with 
a median black abdominal band and a silvery-white 
stripe on each side of it—Loc. Cape of Good Hope. 
S. badia, C. Koch (ibid. p. 75), based on a female from the 
Cape of Good Hope. 
