31G Mr. R. I. Pocock on Arachnida from. 



p. 26, 1898) ; but the latter is described as having the lower 

 side of the abdomen " fulvura, erebre albo-roseo pubescens et 

 antice . . . lineolis binis . . . fuscis notatum." The femora, 

 too, are black below at the apex. 



Family Theraphosidse. 

 Subfam. Harpactirin^. 

 Harpactira gigas, sp. n. 



Colour. — Carapace black, covered with mouse-brown 

 hairs, without a border of pale hairs and without radiating 

 pale lines ; for the rest the colouring is practically the same 

 as in //. tigrina. 



Carapace about one fourth longer than broad, its length 

 considerably exceeding the patella and tibia of the tirst and 

 fourth legs, longer also than tarsus and protarsus of fourth 

 and than patella, tibia, and tarsus of palp, nearly as long as 

 tibia, protarsus, and tarsus of second and about as long as 

 these segments in the third leg; length from fovea to anterior 

 border excelling fourth protarsus, equal to tarsus and pro- 

 tarsus of second ; width about equal to length of patella and 

 tibia of fourth. 



Series of bristles below mandibular pad lying almost hori- 

 zontally ; the inferior series close to the oral fringe and con- 

 sisting of a single row of about a dozen stout bristles, short 

 at the posterior end, long anteriorly where they merge with 

 the bristles of the oral fringe. 



Measurements in millimetres. — Total length 40 ; length of 

 carapace 25, width 20 ; length of first leg 57, of second 51, 

 of third 46, of fourth 62 ; patella and tibia of first 22, of 

 fourth 21; protarsus of fourth 14. 



Lac. Barberton, Transvaal [Percy Rendall). 



Differs from 11. tigrina in having the carapace without a 

 pale border and pale radiating lines ; also in the liorizontal 

 direction taken up by the row of bristles lying below the pad 

 on the mandible. In this respect it much resembles //. lineata, 

 but in the latter the carapace is marked with lines, though 

 less strongly than in tigrina^ and is about equal to the pro- 

 tarsus and tarsus of the fourth log, and distinctly less than 

 the tibia, protarsus, and tarsus of the third leg. 



Pterinochilus vorax, Pocock. 



Pterinochilus vorar, Pocock, Proc. Zool. Soc. 1897, p. 7o2, pi. xliii. 

 tigs. 3, 3 a. 



The original example of this species was obtained by 



