(41) Melania fastigiella (Reeve) Hab. Imbedded in a dark calcareous loam exposed in the banks of a large stream near its mouth at Sulagina, on the north coast of St. Christoval. I could not find any living specimens.
(42) Melania spec. Hab. The same as Mel. fastigiella.
(43) Melania verrucosa (Hinds) Hab. The same as Mel. fastigiella.
(44) Melania subgradata (nov. spec.) Hab. The same as Mel. fastigiella.
(45) Melania ugiensis (nov. spec.) Hab. From a stream in Ugi.
(46) Melania sanctæ annæ (nov. spec.) Hab. A stream in the interior of Santa Anna.
(47) Melania guppyi (nov. spec.) Hab. From the stomach and intestines of a fish living in the fresh-water lake of Wailava in the island of Santa Anna. This species probably frequents the deeper parts of the lake, as I only found one living individual.
(48) Cerithidea cornea A. (Adams) var. Hab. Mangrove swamps in Choiseul Bay.
(49) Pyrazus palustris Hab. Mangrove swamps in Choiseul Bay.
Note.—Not referred to in original paper.