Ancilla rubiginosa, Swainson (1840).

Ancilla rubiginosa, Swainson, Zool. Illustr., vol. ii, 1840, pl. iv; Tryon, Man. Conch. (1), vol. v, p. 94, pl. xxxvii, fig. 25, pl. xxxviii, figs. 26, 27.

A. mammilata, Hinds, and A. albo-callosa, Lischke, are synonyms. Specimens I collected near Timaru and Summer were kindly named by Professor W. H. Dall. My largest specimen has an altitude of 30mm. According to Tryon the habitat of the species includes Japan, China, Malacca, and Madagascar.