210 Annolx of the South African Museum. 



Second peraeopod normal, 4th and 5th joints cylindrical, not 

 expanded on hind margin, 6th equal to but not longer than 4th, hind 

 margin with 3 groups of 3 spines and several setae. 



Third to fifth peraeopods, 4th and 5th peraeopods subequal, 3rd 

 shorter, 2nd joint moderately expanded, postero-inferior angle reaching 

 to middle of 3rd, rounded, hind margin setose and slightly serrate, 

 7th without spine-setae on anterior margin, 4th and 5th peraeopods 

 setose on anterior margins of joints, 3rd peraeopod almost nonsetose, 

 but with a few spines. 



First uropod, peduncle with 1 apical spine and several spinules on 

 upper margin, rami equal, with 2-3 marginal and 4-5 apical spines. 



Second uropod, peduncle with 3 marginal spines, outer ramus 

 slightly shorter than inner, both with two marginal and 4-5 apical 

 spines. 



Third uropod, peduncle with 4 apical setae, outer ramus not 

 extending far beyond end of 1st and 2nd uropods, twice length of 

 peduncle, 2 marginal groups of spines and setae, 3 unequal apical 

 spines and some setae, 2nd joint obsolete, inner ramus halt' length of 

 peduncle, with 4 apical spines. 



Length : Q 8 mm., $ 6 mm. 



Colour : Light brown, slightly mottled, eyes glistening white. 



Locality : In streams on top of Table Mountain ; (Echo Valley and 

 top of Kasteel's Poort). 24/8/13,6/11/13, and 7/12/13. (K.H.B.) 

 <$ cf , ovigerous ? ? and young. (S.A.M. Nos. A2962, A2599 and 

 A2634). 



FAMILY DEXAMINIDAE. 



1813/14. Dexameridae Leach, Edinb. Encycl. vol. 7, p. 432. 

 1876. Dexaminae Boeck, Skand. Arkt. Aniphip. vol. 2, p. 310. 

 1888. Dexaminidae Stabbing, Challeng. Eep. vol. 29, pp. 573, 900. 



1893. Dexaminidi (part) Delia Valle, F. u. Fl. Neapel. vol. 20, p. 556. 



1894. Atylidae (part) G-. O. Sars, Crust, Norw. vol. 1, p. 461. 

 1906. Dexaminidae Stebbiug, Das Tierreich, 21, p. 514. 

 1910. id. Sci. Res. " Thetis," pt, 12, p. 602. 



GEN. POLYCHERIA Haswell. 



1879. Polycheria Haswell, Proc. Linn. Soc. N.S.W. vol. 4, p. 345. 

 1882. , Polychella Gr. M. Thomson, Tr. N.Z. Inst. vol. 14, 



p. 233. 



