1879 (#) Spongia dysoni Crtr. Cf. p. 11. 



1882 Suberites capensis Crtr. Cf. p. 12. 



1885 Sitberites wilsoni Crtr. Cf. p. 15. 



1887 (a) Sitberites inconstans Dy. Cf. p. 18. 



1887 Suberites trincomaliensis Crtr. Cf. p. 20. 



1892 Hymedesmia bistellata (O. S.) Tops. Cf. p. 8. 



1892 («) Hymedesmia tristellata Tops. Perhaps identical with H. bistellata. 



1897 Suberites spir astrei loides Dy. Cf. p. 23. 



1897 (g) Vioa Jïorida Ldfd. Cf. p. 23. 



1897 Vioa papillosa (Rdl. & Dy.) Ldfd. Cf. p. 17. 



1897 Vioa solida (Rdl. & Dy) Ldfd. Cf. p. 17. 



1906 (|3) Cliona wilsoni (Crtr.) Tops. Cf. p. 15. 



1906 (p) Hardiüickia purpitrca (Lmk.) Tops. Cf. p. 7. 



IV. DESCRIPTION OF SPIRASTRELLA PURPUREA (Lmk.) Rdl. 



Running numbers: ') 92, a-1. g8. 143. 179. 210. 245. 300. 305,a-d. 410. 426, a-d. 565. 6l2,a-d. 6l4,a-b. 

 638. 658. 764. 801. 931, a-b. 944, a-b. 948, a-d. 964, a-b. 966, a-b. 977. 1005. 

 1031. IO45. IO47. 1075. IO92. 1103. 1117. 1141. 1211. 1260. 1341, a-d. 1365. 1391. 

 1402. 1403. 1418. 1421. 1447. 1455, a-c. 1480. l6lO. 1631. 1945. 1947 . 1949 . 

 1950 . 1952 . 1971 . 1975 *. 1988 . 2030 "". 2031. 2032 *. 2049 ". 



A. Synonymy and L i t e r a t u r e. 



1815 Alcyonium purpureum Lmk. 



1862 Tethya bistellata O. S. 



1864 Suberites bistellatus O. S. 



1868 Spirastrella cunctatrix O. S. 



1872 Hymeniacidon angulata Bwk. 



1872 Hymeniacidon pulvinatits (sic) Bwk. 



1879(0!) Spongia dysoni Crtr. 



1882 Suberites capensis Crtr. 



1884 Spirastrella congenera Rdl. 



1884 Spirastrella decumbens Rdl. 



1884 («) Spirastrella pulvinata (Bwk.) Rdl. 



1884 Spirastrella punctulata Rdl. 



1884 Spirastrella purpur ea (Lmk.) Rdl. 



1884 Spirastrella transitoria Rdl. 



1884 Spirastrella vagabunda Rdl. 



1885 Suberites wilsoni Crtr. 



1886 Spirastrella massa Rdl. & Dy. 

 1886 Spirastrella papillosa Rdl. & Dy. 



1886 Spirastrella solida Rdl. & Dy. 



1887 («) Suberites inconstans Dy. 



1) Those marked with an asteric are diied. 



