44: P. papyracea, Lam. In mixed collections I have seen the Chinese P. bezoar of Lamarck as from Ceylon.
45: P. vespertilio, Gm.
46: R. albivaricosa, Reeve.
47: M. anguliferus var. Lam.
48: T. cynocephalus of Lamarck is also met with in Ceylon collections.
49: S. incisus of the Index Testaceologicus (urceus, var. Sow. Thesaur.) is found in mixed Ceylon collections.
50: C. plicaria of Lamarck, and C. coronulata of Sowerby, are also said to be found in Ceylon.
51: As Purpura.
52: N. suturalis, Reeve (as of Lam.), is met with in mixed Ceylon collections.
53: E. areolata Lam.