Species of African Salifugr\3 and Arancae. 17 



R. cafetiulatus of Simon, wliicli is unknown to me, is 

 described as having the vulva impressed with a hairj, semi- 

 circular, posteriorly thickly marginate fovea. 



Measurements in millimetres. — Total length 15 ; carapace 5 ; 

 first and fourth legs 23. 



Loc. Queenstown, Cape Colony {E. T. Wells). 



The British Museum has specimens that I refer to R. vit- 

 tacus from Grahamstown [Dr. Schonland) ; Tea Fountain 

 and Graaf Reinet {Miss Leppan). 



Spencerella signata, sp. n. (PI. III. figs. 4, 4 a.) 



? . — Colour. Carapace with a broad median white band, 

 covered with olive-yellow hairs laterally, whiter towards the 

 margin ; head and clypeus wliite j mandible covered with 

 white hairs above ; legs with greyish whitish-yellow hairs ; 

 upperside of abdomen with a broad median white band, olive- 

 yellow at sides; under surface whitish, speckled; sternum 

 with median white stripe. 



Anterior lateral eyes more than two diameters apart, each 

 about equidistant from its fellow and from the lateral angle 

 of head ; anterior medians small, a trifle more than a diameter 

 apart and about two diameters from the posterior medians, 

 whose radius they equal in size; quadrangle formed by the 

 posterior median and anterior lateral eyes parallel-sided, about 

 twice as long as wide, the anterior medians near the middle 

 of the quadrangle, with their centres in a line with the inner 

 edge of the posterior medians. 



Vulva consisting of a subquadrate plate flanked on each 

 side by an S-shaped sclerite, and with its anterior border 

 deeply emarginate. 



Measurements in millimetres. — Total length 13 ; carapace 4; 

 first leg 18, fourth leg 17. 



Loc. Grahamstown {Dr. Schonlatid). 



Distinguished from S. lineata, Poc, from Durban (Anin. & 

 Mag. Nat. Hist. (7) ii. p. 215, 1898), by having the anterior 

 lateral eyes two diameters instead of one diameter apart, the 

 anterior medians about a diameter instead of half a diameter 

 apart, and only equal to the radius of the posterior medians, &c. 

 (see PI. III. fig. 5). 



The genus Spencerella is very nearly related to Maypacius 

 of Simon, which has representatives in tropical Africa and 

 Madagascar; but, according to Simon's description of May- 

 j^acius, its species differ from those of Sj^encerella in having 

 only two instead of three teeth on the posterior border of the 

 fang-groove. Maypacius has two months' priority over 

 Spencerella. 

 Ann. & Mag. N. Hist. Scr. 7. Vol. x. 2 



