Note 9 — XIX
Reading edition
V. Martens identified amongst the tertiary mussels of the banks of clay the following species, which still live in the Indian Ocean:—Venus (Hemitapes) hiantina, Lam.; V. squamosa, L.; Arca cecillei, Phil.; A. inaequivalvis, Brug.; A. chalcanthum, Rv., and the genera Yoldia, Pleurotoma, Cuvieria, Dentalium, without being able to assert their identity with living species.