262 Annals of the South African Musewm. 
Second uropod, peduncle a little longer than rami, outer ramus a little 
shorter than inner and distinctly stouter, 5 marginal spines on outer, 
3 on inner ramus, both rami with 3 apical spines. 
Third uropod reaching a little beyond 2nd uropod, very stout, 
peduncle with 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: @ 75mm., 2? 7 mm. 
Colour : Uniform whitish-yellow, eyes red. 
Locality: Buffel’s Bay (False Bay). 29/9/13 and 1/3/15. ?@6, 
ovigerous 2 2? and young. (K.H.B.); Port Elizabeth. November, 
1914. 2 9 2 with embryos. (FitzSimons). (8.A.M. Nos. A2917, 
A8287, and A3035. 
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. 
Famity 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, 
pacilae 
1906. Jassidae id. Das Tierreich, 21, p. 647. 
1908. Ischyroceridae Walker, Nat. Antarct. Exp. vol. 3, p. 38. 
1910. Jassidae Stebbing, Gen. Cat. 8.A. Crust. p. 462. 
Gen. JASSA Leach. 
1813/14. Jassa (part) Leach, Edinb. Encyel. vol. 7, p. 433. 
1852. Cratophium Dana, Amer. J. Sci. ser. 2, vol. 14, p. 309. 
1853. 7 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. Jassa Stebbing, L.c. 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, l.c. p. 433. 
