222 Mr. R. T. Pocock on 



second, patellaj unarmed ; tibia of second armed with 3 pairs 

 of spines belo\A^, of third and fourth with 2 pairs, protarsus of 

 second and third with 2 pairs of inferior spines. 



Abdomen oval, not twice as long as wide. 



Vulva marked with two subcircular impressions, separated 

 by a narrow partition. 



Measurements in millimetres. — Total length 14 ; length of 

 carapace 7, width 5*5; length of palpus 9, of second leg 21, 

 of third 23, of fourth 26 ; patella and tibia of fourth (S"5. 



Loc. Durban [H. A. Spencer). A single female example. 



Family Heteropodidae. 



Genus Palystes, L. Koch. 



Palystes natalius (Karsch). 



Heteropoda natalia, Karsch, Zeits. gesammt. Naturwiss. 1878, p. 772. 

 Palystes Spenceri, Pocock, Ann. & Mag. Nat. Hist. (6) xvii. p. 58, 

 pi. viii. tig. 3 (1896). 



Loc. Durban (ZT. A. Spencer) ; Estcourt, 4000 feet, and 

 the Lower Uuikomaas River [G. A. K. Marshall). 



The species that I named P. Spenceri is so abundant in 

 Natal and the neighbouring parts of South Africa, that it 

 seems to me almost certainly identical with the form that 

 Karsch previously described as Heteropoda natalia. 



Genus Sparassus, Walck. 

 Sparassus (Olios) Spenceri (Pocock). 



OHos Spenceri, Pococli, Ann. & Mag. Nat. Hist. (6) xvii. p. 62, pi. viii. 

 fig. 6. 



Loc. Durban [H. A. Spencer). 



Sparassus [Midamus) MarshalU, sp. n. (PI. VIIT. fig. 15.) 



Colour of integument ochre-yellow^ paler on abdomen, 

 but darker towards the extremities of the appendages ; man- 

 dibles lightly tinted with fuscous ; carapacewith a faint fuscous 

 rim behind the head ; abdomen marked dorsally with a 

 median purplish-red band, which in the anterior half of its 

 length is divided into two, the two branches enclosing a 

 darker brown area ; the carapace, abdomen, and legs covered 

 with a short coating of silky white hairs. 



Carapace high, convex, a little wider than long, its length 

 a little exceeding patella, tibia, and tarsus of palp, equal to 

 protarsus and tibia of fourth leg, almost equal to tibia of first. 



Legs long and slender, 2, 1,4, 3, the second exceeding 



