South African Araclinida. 209 



SOLPUGA ALSTONI, n. Sp. 



(Fig. 1.) 

 ^ . Colour brown, the under surface of the trunk and of the 

 bases of the legs pale yellowish ; fingers of chelicerse pale yellow, 

 reddish to black at the apex; cephalothorax along the middle and at 

 the sides also pale yellowish ; fourth leg with the apex of femur, the 

 tibia, metatarsus, and tarsus brownish -black ; malleoli infuscated at 

 the edges ; abdominal tergites brownish-black, the anterior ones 

 broadly brown on each side, the bristles on the tergites brownish- 

 black at base, white distally ; sides of the abdomen with a narrow 

 black stripe above but broadly dark brown below, thickly covered 

 with soft white hairs ; under surface pallid, with pallid hairs, the 

 XDOsteriormost segments dark brown with light brown hairs. Fourth 

 leg with numerous, extremely long, soft, white hairs on the femur (on 

 all sides) and on the sides and upper surface of the tibia and meta- 

 tarsus ; second and third legs with a small number of similar hairs 

 on the femora and tibiae. Pedipalps long, the tibia and metatarsus 

 with numerous truncated bristles below, the femur with 4-5 very 

 strong spiniform bristles below, the proximal one being shortest and 

 extremely stout. 



Fig. 1. — S. alstoni, n. sp. 



Chelicerce. — Upper finger straight, curved downwards but not 

 outwards at the apex of the terminal fang, and provided below with 

 5 teeth in the single series, the two intermediate ones (third and 

 fourth) very distinct ; basal half of terminal fang with the upper 

 medial edge not carinate but rounded for some distance in front of 

 the flagellum, the middle of the fang with a short oblique keel com- 

 mencing on the upper surface and ending anteriorly on the median 

 side in a small angle. Lower finger with 2 strong curved teeth and 

 a small intermediate one. 



Flagellum. — Basal enlargement high and almost rotundate in out- 

 line when seen from the medial side, the superior edge sharp and 

 strongly laterally compressed ; procurrent portion of shaft extremely 

 short; the anterior bend extremely short and sudden, far back. 



