17i> Annals of the tiutrfh African Museum. 



GEN. TAMA, Sim. 

 TAMA INCERTA, n. sp. 



HlH'rinii'H*. Adult $ (No. 4298, Type) from Nieuwoudtville, Bokke- 

 veld Mts., Calvinia (C. L. Leipoldt, 9/98), and others as below. 



(.'n/iiiir. Cephalothorax yellowish -brown, the centre and ocular 

 tubercle being dark, and the border strongly mottled with black. 

 Abdomen patterned much as in Hersiliola, though in many cases the 

 lighter portions are darkened so as to leave crescents at the sides and 

 centre, ami spots, etc., posteriorly, gradations between both phases 

 occurring. The legs and palpi are light brown and conspicuously 

 banded with black, especially the 3rd legs. Under surface of body 

 and coxae testaceous to faint brown; spinners dark- brown. Abdomen, 

 sternum, spinners and legs clothed with sparse, fairly long hair.-*, 

 longer on upper surface of abdomen and denser on the legs; the 

 upper surface of abdomen also has I races of bundles of white bristles 

 as in Hn-xilioln. When dry, body, coxae and light bands of legs are 

 covered with dull white and lawny hairs. 



('In liri'rt't. Length equal to depth of clypeus. 



ClypeUs. Over L 1 , times as deep as length of median ocular 

 quadrangle. 



Li'ij*. Metatarsi uni-art idilate ; that of the 1st leg equals or 

 .-lightly e\ceeds twice the tarsus and is slightly shorter than the tilbia 

 and metatarsus of the 3rd leg. 



Spinners. With a dark mark on the outer side of basal joint of 

 superior spinner,-, and a dark mark basal by on the upper surface 

 of apical joint; the latter taper.-* fairly rapidly to the ape.x, towards 

 which it has a slightly annulated appearance; in length the apical 

 joint exceeds that of the sternum and labium together. (Sometimes 

 the spinners are almost as short as in Hersiliola, but the annulated 

 appearance is always present, and also the tapering and curving of 

 the apical segment.) 



Vulva. Consists of a somewhat concave dark brown plate sunk 

 below a projecting rim, which is black and thick at the edges, and 

 shades to dark brown beyond ; the rim is not continued round the 

 posterior border of the plate. 



Measurements. Largest specimen 9'5 mm. in length; 1st leg 17, 

 3rd leg 12, and 4th leg 23'5 mm. long. Apical segment of spinners 

 3 mm. long. Length and width of carapace each 4 mm. 



Average size 9 mm. long ; 1st leg 1(3 mm., 3rd 11, 4th 20, and 

 apical joint of super- spiiiuers 2'5 mm. in length. 



