Species of African Solifugai and Aranece. 15 



Carapace slightly longer than pat. + tib. of first or of fourth 

 leg and than prot. + tarsus of tliese same appendages, dis- 

 tinctly shorter than tib. + protarsusof these same appendages. 



Protarsus of first and second legs armed beneath with one 

 basal, two submedian, and three apical spines, their tibite 

 unspined. 



Measurements in millimetres. — Total length 20 ; carapace 8 ; 

 first leg 21, fourth leg 20. 



Log. Brak Kloof, near Gralianistown [Mrs. White). 



This species differs from //. collinus, Poc. ( Ann. & Mag. Nat. 

 Hist. (7) vi. p. 319, 1900), from Table Mountain, principally 

 in its uniformly blackish-grey colouring. The male will no 

 doubt reveal other distinctive features. 



Family Pisauridae. 

 Thalassius Eossii, sp. n. (PI. III. fig. 1.) 



? . — Colour. Carapace castaneous, the whole of the middle 

 of tlie upperside covered with a mixture of red and white 

 hairs, the red predominating; a broad rich dark brown band 

 on each side extending from the sides of the clypeus, which 

 is separated from the lateral border by a yellow band formed 

 of red and white hairs, the white predominating. Legs marked 

 above with brown and white ; the patella and distal half of 

 tibia brown ; femora of first and second whitish, of third and 

 fourth white distally ; palpi covered with rusty-red hairs 

 intermixed with white. Integument of upperside of abdomen 

 yellow, thickly covered with a mixture of red and white hairs, 

 the white predominating ; this pale field bounded laterally by 

 a broad, sinuous, rich brown band j the whole of the under- 

 side tolerably uniformly testaceous. 



Carajmce rather low, slightly raised in the cephalic region, 

 very distinctly longer than broad, longer than tibia of fourth 

 leg, about as long as that of first ; ocular quadrangle very 

 slightly narrowed anteriorly and slightly longer than wide. 

 Anterior median eyes a diameter apart and about the same 

 distance from the anterior laterals and a diameter and a half 

 from the posterior medians, which are a little larger and 

 barely a diameter apart. 



Vulva transversely elongate, the lobes meeting in a longish 

 median suture. 



Measurements in millimetres. — Total length 1-1 ; carapace 6 ; 

 first leg 22, fourth leg 24. 



Lac. Durban {A. lioss). 



This species resembles in its mottled coloration some West- 



