286 Annals of the South African Museum. 
1907. Hyperia gaudichaudii Walker, Nat. Antaret. Exp. vol. 3, p. 7. 
1912. ee é Chilton, Tr. Roy. Soc. Edinb. vol. 48, pt. 2, 
p. 51s. 
1914. i a Stebbing, Proe. Zool. Soc. Lond. 1914, 
pt. 2, p. 374. 
The Cape specimens agree in all respects with the descriptions and 
figures of Stebbing and Bovallius. 
Length: g¢ 14mm., 2? 15 mm.; breadth: § 255 mm., 2? 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.) ¢¢, 2? 2 andjuv.). Angra 
Pequenas, G.S.W.A. (Dr. J. D. F. Gilchrist.) 4 9 9. (S.A.M. Nos. 
A288 and A2867.) 
Geogr. Distribution: Chile (M. Edw. and Nicolet); Patagonia, 
53° 37° 8. 70° 56° W. 10-15 fathoms (Stebbing) ; McMurdo Sound, 
5-10 fathoms (Walker); Falkland Islands, 46° 3’ 8. 56° 30' W. and 
37° AL’ N. 29° 25' W. (Chilton) ; Falkland Islands (Stebbing). 
Famity CYSTISOMATIDAE. 
1875. Cystosomatidae v. Willemoes-Suhm. Tr. Linn. Soc. Lond. ser. 2, 
vol. 1, pt. 1, p. 24. 
1886. Thauwmatopsidae Bovallius, Bih. K. Svenska Vet. Ak. Handl. 
vol. J15 neg; ip: 13. 
1888. Cystisomatidae Stebbing, Challeng. Rep. vol. 29, p. 1817. 
1902. Thaumatopsidae Woltereck, Zool. Anz. vol. 26, p. 447. 
Gen. CYSTISOMA Guérin-Ménev. 
1842. Cystisoma Guérin-Meéneville, Rev. Zool. July, 1842, p. 214. 
1873. Thawmops v. Willemoes-Suhm. Proc. Roy. Soe. vol. 21, p. 206. 
1888. Cystisoma Stebbing, l.c. p. 1818 (references). 
1889. Thawmatops ovale! K. Svenska Vet. Ak. Handl. vol. 22, no. 7, 
p. 40. 
1906. be Tattersall, Fish. Irel. Sci. Invest. 1905, 4, p. 17. 
1910. 5 Stebbing, Gen. Cat. S.A. Crust. p. 474. 
The genus is widely distributed throughout the world. Stebbing 
included C. spinoswm (Fabr.) in the General Catalogue of S.A.Crustacea 
