GASTROPODA. 4] 



PHASIANELLA CAPENSis, Dunkei', Kruuss, Sudafr. Moll. 

 p. 104, pi. 6, fig. 5. Port Elizabeth, Simon's Bay, Table 

 Bay, &c. 



PHASIANELLA KOCHII, Phillppi, Krauss, Sudafr. Moll, 

 p. 104, pi. 6, fig. 4. Port Elizabeth, Simon's Bay, Table 

 Bay, &c. 



PHASIANELLA ELONGATA, Krauss, Sudafr. Moll. p. 104, 

 pi. 6, fig. 3. Cape (Krauss), Port Elizabeth, &c. 



PHASIANELLA PULLUS, var. P. tennis (Philippi), Sowerby, 

 Thes. Conch, vol. v. pi. 476, fig. 30. Cape coast (Krauss). 



PHASIANELLA BICARINATA, Dunker, Tryon, vol. x. p. 176, 

 pi. 39a, fig. 10. Cape (Dunker). I am not acquainted with 

 this species. It has an abnormal look. 



PHASIANELLA NERITINA, Danker, Krauss, Sudafr. Moll. 

 p. 105, pi. 6, fig. 6 ; Thes. Conch, vol. v. pi. 476, fig. 10.- 

 Cape (Krauss). 



TURBO CORONATUS, Gmelin, Thes. Conch, vol. v. pi. 498, 

 fig. 51. Natal coast (Krauss). Distribution : Red Sea to 

 the East Indian Archipelago. 



TURBO SARMATICUS, Linn., Thes. Conch, vol. v. pi. 497, 

 fig. 43. = classiarius (Gray). Port Elizabeth and various 

 parts of the South African coast. 



TURBO CIDARIS, Gmelin, Thes. Conch, vol. v. pi. 496, 

 fig. 35, var. C. natalensis (Reeve), Conch. Icon. (Turbo) 

 sp. 1 ; Thes. Conch, vol. v. pi. 497, fig. 41. Turbo natalensis 

 has not only been considered specifically distinct from T. 

 cidaris, but it has been placed in a different genus on ac- 

 count of the curiously tufted granulation of the operculum. 

 After comparison of a large number of specimens, Mr. Pon- 

 sonby, Professor Gwatkin, and I have come to the conclusion 

 that it is a mere 'variety. The shells vary a good deal, from 

 a strongly-ribbed growth to perfectly smooth, also in the 

 height of the spire, &c., but they cannot be separated by 

 any reliable character. In the operculum the size of the 

 granulation and more or less perforated centre seem to vary 

 indiscriminately. Then, as to the animal, Mr. Gwatkin 

 says : ' A careful examination of T. cidaris and natalensis 

 leaves me at a loss for any clear difference of dentition. The 



