Census; with brief descriptions of the marine shells of Tasmania and the adjacent islands

Note.—All the measurements are given in French millimetres, and the greatest measurement in each direction is always meant. The letters N., S., E., and W. will be used to denote, the north, south, east, and west coasts of the island respectively; B. St., Bass' Straits; S.E.A., South-east Australia, as far as Port Jackson inclusive; E.A., the whole of the East Australian coast; S.A., the whole of the South Australian coast as far as Spencer's Gulf; W.A., Western Australia, as far as Swan River; V. will mean Victoria from Cape Howe to Portland Bay.