34 MARINE SHELLS OF SOUTH AFRICA. 



(TRIVIA) ONISCUS, Lamarck, Thes. Conch, vol. iv. 

 pi. 324, figs. 416, 417. A smooth-backed variety of this 

 species has often been mistaken for C. ovida, from which it- 

 is constantly distinguished by being when adult ribbed at 

 the base. Port Elizabeth and Cape coast. 



CYPILEA (TRIVIA) OVULA, Lamk., Thes. Conch, vol. iv. 

 pi. 324, figs. 410, 411. Port Elizabeth and Cape coast, 



(TRIVIA) COST ATA, Gmelin, Thes. Conch, vol. iv. 

 pi. 324, figs. 414, 41 5 = C. rosea, Wood = (7. carnea, Gray; 

 Sowb. Conch. Illustr. fig. 147. Cape coast, very rare 

 (Krauss). I have not met with this species from Port 

 Elizabeth. 



CYPR^A (TRIVIA) FORMOSA, Gaskoin, Thes. Conch, vol. iv. 

 pi. 328, figs. 518*, 519. Cape coast and Port Elizabeth. 



CYPR^EA (TRIVIA) PELLUCIDULA, Gaskoin, Thes. Conch. 

 vol. iv. pi. 327, figs. 497-499. Port Elizabeth. 



CYPR^A (TRIVIA) VESCICULARIS, Gaskoin, Thes. Conch. 

 vol. iv. pi. 324, figs. 412, 413. Port Elizabeth. Rarely 

 found in good condition. This species is like a miniature 

 C. oniscus, but more finely ribbed. 



OVULA SPELTA, Linn., Thes. Conch, vol. i. pi. 100, 

 figs. 63, 64. Port Elizabeth, Cape coast. Known as a 

 Mediterranean species. 



OVULA BIROSTRIS, Linn., Sowerby, Thes. Conch, vol. i. 

 pi. 100, figs. 65, 66. Port Elizabeth. Of wide distribution. 

 Specimens have been found at Mauritius, Ceylon, Singa- 

 pore, Hong Kong, Japan, &c. 



OvrLA CARNEA, Poiret, Thes. Conch, vol. i. pi. 101, 

 fig. 77.- A large, light variety of this common Medi- 

 terranean species found at Port Elizabeth. 



OVULA AURANTIA, 8owerhi/i pi. 1, fig. 26; Journ. of 

 Conch. 1889, vol. vi. p. 11, pi. 1, fig. 15. Port Elizabeth 

 (Bairstow). 



CANCELLARIA FOVEOLATA, Sowerby, Thes. Conch, vol. i. 

 pi. 93, figs. 30, 31. Port Elizabeth. The species varies in 

 colour from nearly ^yhite to dark brown or nearly bluck. 



