GASTROPODA. 35 
CANCELLARIA SEMIDISJUNCTA, Sowerby, Thes. Conch. vol. i. 
pl. 95, figs. 62, 63.—Port Elizabeth. 
CANCELLARIA LAMELLOSA, Hinds, Zool. of Voyage of 
Sulphur, p. 43, pl. 12, figs. 15, 16.—Agulhas Bank, 70 
fathoms (Hinds). 
CERITHIUM VULGATUM, Linn., Thes. Conch. vol. ii. pl. 179, 
fig. 67.—A small pale variety of this common Mediterranean 
species found at Port Elizabeth. 
CERITHIUM TUBERCULATUM, Linn., Thes. Conch. vol. ii. 
pl. 182, fig. 164.—Natal (Crawford). 
CERITHIUM COLUMNA, Sowerby, Thes. Conch. vol. ii. 
pl. 178, fig. 56.—Natal (Crawford). 
CERITHIUM TAHNIATUM, Sowerby, Thes. Conch. vol. iii. 
pl. 290, fig. 320.—Natal. 
CERITHIUM CONTRACTUM, Sowerby, Thes. Conch. vol. ii. 
pl. 184, fig. 218.—Natal. 
CERITHIUM PINGUE, A. Adams, Thes. Conch. vol. ii. 
pl. 148, fig. 217.—Port Elizabeth. 
CERITHIUM MEDITERRANEUM, Deshayes, Thes. Conch. 
vol. 11. pl. 181, figs. 131, 132.—Port Elizabeth. Common 
in the Mediterranean, and a variety is found on the 
Mauritian coast. 
CeritHiuM Koc, Philippi, Thes. Conch. vol. ii. pl. 176, 
figs. 13-15.—Port Elizabeth (rare), Red Sea, Indian Ocean, 
Mauritius, China Sea, &e. (common). 
CERITHIUM (VERTAGUS) OBELISCUS, Bruguiéere, Thes. Conch. 
vol. i. pl. 177, fig. 30.—Natal coast (Krauss). Common in 
the Indian Ocean. 
CERITHIUM ECHINATUM, Lamarck, Thes. Conch. vol. ii. 
pl. 178, fig. 44.—Natal Bay (Krauss). Common on many 
coasts, from Mauritius to the Philippines. 
CERITHIUM MONILIFERUM, Dufresne, Thes. Conch. vol. ii. 
pl. 182, fig. 163.—Natal coast (Krauss), Red Sea, Philippines, 
South Sea Islands, &e. 
