310 JOHN HEWITT. 



Idiops pi-etorifB (Poc). 

 Acanthoclon ijretoriEB Poc, Ann. Mag. Nat. Hist., vii, 1, p. 319, 1898. 



To the description given by Mr. Pocock I can add the 

 following noteSj after examination of the type male : 



Chelicerae with seven strong teeth in the inner row and four 

 in the outer row ; process of palpal organ strongly flattened 

 thi-oughout and twisted ; the excavation on the tibia of the 

 palp very shallow and not bordered by spines; band of 

 spinules on anterior side of patella IV stretching five-sixths 

 of the length of the segment and including about thirty short 

 spines; patella III has a continuous strip of spinules anteriorly 

 including about thirteen as well as four on the distal edge ; 

 frontal eyes one-quarter to one-third of a diameter apart, the 

 anterior medians very large, the area formed by the frontal and 

 anterior median eyes much broader behind, posterior medians 

 very much smaller ; posterior margins of posterior row of eyes 

 slightly recurved, the anterior margins slightly procurved ; 

 the posterior medians about three diameters distant from the 

 posterior laterals, which latter are a little elongated but not 

 greatly so. 



Idiops astutus s'p. noc. Text-fig. 6. 



The type consists of a single adult male taken at Bulawayo, 

 November loth, 1913, by Mr. G. Arnold, who writes of it 

 " hunting insects under the electric lights, waiting for those 

 that fall." 



This species can at once be distinguished from I. arnoldi 

 Hewitt} which it somewhat resembles, and which also is 

 believed to occur at Bulawayo, through the total absence of 

 a scopula on the fourth tarsus, whereas arnoldi has a broad 

 scopula on the swollen fourth tarsus. 



Colour. — Ui3per surfaces brownish-black, lower surfaces 

 somewhat paler, the sternum and coxa3 of the third and 

 fourth legs, the genital sternite, lung opercula and spinnerets 

 being pale yellowish-brown. 



' ' Records, Albany Museiim,' vol. iii, p. 21, 1914. 



