262 Annals of the South African Museum. 



Second uropocl, peduncle a little longer than ranii, outer ramus a little 

 shorter than inner and distinctly stouter, 5 marginal spines on outer, 

 3 on inner ramus, both ranii with 3 apical spines. 



Third uropocl reaching a little beyond 2nd uropod, very stout, 

 peduncle Avith 4 stout spines on upper distal margin and some setae on 

 lower distal margin, inner ramus as long as broad, apically truncate, 

 with 1 large and 1 small stout spine and several setae, outer ramus a 

 little longer but not quite as wide, with 2 strong recurved apical hooks, 

 upper margin setulose. 



Length: 7'5 mm., $ 7 mm. 



Colour : Uniform whitish-yellow, eyes red. 



Locality; Buffet's Bay (False Bay). 29/9/13 and 1/3/15. <?<?, 

 ovigerous ? ? and young. (K.H.B.) ; Port Elizabeth. November, 

 1914. 2 ? ? with embryos. (FitzSimons). (S.A.M. Nos. A2917, 

 A3287, andA3035. 



I have much pleasure in naming this species after Rev. T. R. R. 

 Stebbing, who on many occasions has been kind enough to give me the 

 benefit of his knowledge and experience. 



FAMILY JASSIDAE. 



1888. Podoceridae (part) Stebbing, Challeng. Rep. vol. 29, p. 1112. 

 1893. ( ) G. O. Sars, Crust. Norw. vol. 1, p. 577. 



1899. Ischyroceridae Stebbing, Ann. Mag. Nat. Hist. ser. 7, vol. 4, 



p. 211. 



1906. Jassidae id. Das Tierreich, 21, p. 647. 

 1908. Ischyroceridae Walker, Nat. Antarct. Exp. vol. 3, p. 38. 

 1910. Jassidae Stebbing, Gen. Cat. S.A. Crust, p. 462. 



GEN. JASSA Leach. 



1813/14. Jassa (part) Leach, Edinb. Encycl. vol. 7, p. 433. 



1852. Cratophium Dana, Amer. J. Sci. ser. 2, vol. 14, p. 309. 



1853. id. U.S. Expl. Exp. vol. 13, pt. 2, pp. 832, 840. 

 1899. Jassa Stebbing, Ann. Mag. Nat. Hist. ser. 7, vol. 3, p. 239. 



1905. Bruzeliella Norman, ibid. ser. 7, vol. 16, p. 83. 



1906. /asset Stebbing, I.e. pp. 652, 739. 



1907. ,, Chevreux, Exp. Antarct. Franc, p. 94. 



JASSA FALCATA (Montagu). 



1808. Cancer falcatus Montagu, Tr. Linn. Soc. Lond. vol. 9, p. 100, 



pL 5, fig. 2. 

 1813/14. Jassa pulchella Leach, I.e. p. 433. 



