PELECYPODS. 61 
PETRICOLA ROBUSTA, Sowerby, Thes. Conch. vol. ii, 
pl. 166, fig. 16.—Port Elizabeth. 
PETRICOLA CULTELLUS, Deshayes, Sowerby, Thes. Conch. 
vol. ii. pl. 166, fig. 5.—Port Elizabeth, Ceylon, &e. This 
species is nearly allied to the American P. pholadiformis. 
PETRICOLA VENTRICOSA, Krauss, Sudafr. Moll. D225 ple 
fig. 1.—Natal coast (Krauss). 
PETRICOLA Ponsonpyt, Sowerby, nov. sp., pl. 3, fig. 68.— 
Testa ovata, compressiuscula, solidula, albida, striis nume- 
rosis subrugosis divergentibus radiatim sculpta; umbones 
obtusi, vix prominentes ; cardo normalis; pagina interna albida. 
Diam. antero-post 20, umbono-marg. 15 mill. 
Hab. Port Elizabeth. 
An oval species with divaricating sculpture. 
CARDIUM NATALENSE, Krauss, Sudafr. Moll. pal2splsele 
fig. 9.—Natal (Krauss), Port Elizabeth. 
CakDIUM (PAaPYRIDEA) SEMISULCATUM, Gray = C. ringi- 
culum, Sowerby, Reeve, Conch. Icon. (Cardium), pl. 21, 
f. 115; Smith, Report of the Lamellibranchiata of the 
‘ Challenger,’ p. 162.—Simon’s Bay, 15-20 fath. 
CaRDIUM LIMA, Gmelin = OC. asiaticum ( Brug.), Reeve, 
Conch. Icon, (Cardium), pl. 18, fig. 90.—Natal (Krauss), 
Port Elizabeth, Nicobar Islands, &e. 
CarRDIUM FasciaTuM, Montagu, Sowb. Ilust. Index Brit. 
Shells, pl. 5, fig. 7.—Port Elizabeth (large valves). 
CHAMA GRYPHOIDES, Linn.—Natal. 
LuctvA COLUMBELLA, Lamarck, Reeve, Conch. Icon. 
(Lucina), pl. 6, fig. 30.—Port Elizabeth. 
Lucina (DivaRICELLA) LIRATULA, Sowerby, pl. 2, fig. 63; 
Journ. of Conch. vol. vi. p. 155, pl. 3, fig. 5.—Port Elizabeth. 
Loripes LAcTEus, Linn. = Lucina lactea, Sowb. Must. 
Index of Brit. Shells, pl. 4, fig. 17. = Lucina leucoma 
(Turton) = L. fragilis (Philippi).—Port Elizabeth. 
Loripes GLogosus, Forskael, pl. 4, fig. 91; Descrip. 
Anim, in Itin, Observ. p. 53.—Port Elizabeth. 
