286 . Annals of tl> South African Museum. 



1907. Hyperia gatultrhn/id/i Walker, Nat. Antarct. Exp. vol. 3, p. 7. 

 1912. Chilton, Tr. Roy. Soc. Edinb. vol. 48, pt. 2, 



p. 513. 

 1914. Stebbing, Proc. Zool. Soc. Lond. 1914, 



pt. 2, p. 374. 



The Cape specimens agree iu all respects with the descriptions and 

 figures of Stebbing and Bovallius. 



Length : $ 14 mm., ? 15 mm. ; breadth : <$ 2'5 mm., ? 5 mm. ; 

 antennae of $ ca. 8 mm. 



Colour : When alive transparent pinky-red, with greenish eyes, in 

 spirit reddish. 



Locality ; In large Rhizostomid jelly-fishes washed up on the shores 

 of the West coast of the Cape Peninsula and False Bay (Muizenberg, 

 False Bay. January, 1912. (K.H.B.) <J<J, ? ? and juv.). Angra 

 Pequenas, G.S.W.A. (Dr. J. D. F. Gilchrist.) 4 ? ? . (S.A.M. Nos. 

 A238 and A2867.) 



Geogr. Distribution: Chile (M. Edw. and Nicolet) ; Patagonia, 

 53 37' S. 70 56' W. 10-15 fathoms (Stebbing) ; McMurdo Sound, 

 5-10 fathoms (Walker) ; Falkland Islands, 46 3' S. 56 30' W. and 

 37 41' N. 29 25' W. (Chilton) ; Falkland Islands (Stebbing). 



FAMILY CYSTISOMATIDAE. 



1875. Cystosomatidae v. Willemoes-Suhm. Tr. Linn. Soc. Lond. ser. 2, 



vol. 1, pt, l,p. 24. 

 1886. Thaumatojjsidae Bovallius, Bill. K". Svenska Vet. Ak. Haudl. 



vol. 11, no. 9, p. 13. 



1888. Cystisomatidae Stebbing, Challeng. Rep. vol. 29, p. 1317. 

 1902. Thaumatopsidae Woltereck, Zool. Anz. vol. 26, p. 447. 



GEN. CYSTISOMA Gue'rin-Menev. 



1842. Cystisoma Gueriu-Meneville, Rev. Zool. July, 1842, p. 214. 

 1873. Thaumops v. Willernoes-Suhm. Proc. Roy. Soc. vol. 21, p. 206. 



1888. Cystisoma Stebbing, I.e. p. 1318 (references). 



1889. Thaumatops Bovallius, K. Svenska Vet. Ak. Handl. vol. 22, no. 7, 



p. 40. 



1906. Tattersall, Fish. Irel. Sci. Invest. 1905, 4, p. 17. 



1910. Stebbing, Gen. Cat, S.A. Crust, p. 474. 



The genus is widely distributed throughout the world. Stebbiug 

 included C. spinosum (Fabr.) iu the General Catalogue of S.A. Crustacea 



