British conchology : or, an account of the Mollusca which now inhabit the British Isles and the surrounding seas / by John Gwyn Jeffreys.

5

British conchology : or, an account of the Mollusca which now inhabit the British Isles and the surrounding seas / by John Gwyn Jeffreys.

4

British conchology : or, an account of the Mollusca which now inhabit the British Isles and the surrounding seas / by John Gwyn Jeffreys.

3

British conchology : or, an account of the Mollusca which now inhabit the British Isles and the surrounding seas / by John Gwyn Jeffreys.

2

British conchology : or, an account of the Mollusca which now inhabit the British Isles and the surrounding seas / by John Gwyn Jeffreys.

1

The genera of recent Mollusca: arranged according to their organization. By Henry Adams...and Arthur Adams.

1

Biologia Centrali-Americana :zoology, botany and archaeology /edited by Frederick Ducane Godman and Osbert Salvin.

Land and Freshwater Mollusca

Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna bearb. ... und hrsg. von Dr. Brauer.

19 (Mollusca, Nemertini, Bryozoa, Turbellaria, Tricladida, Spongillidae, Hydrozoa)

Zoology of New York; or, The New York Fauna; comprising detailed descriptions of all the animals hitherto observed within the state of New York, with brief notices of those occasionally found near its borders, and accompanied by appropriate illustrations /

Part 5, Mollusca

Monography of the family Unionidae, or Naiades of Lamarck (fresh water bivalve shells,) of North America, : illustrated by figures drawn on stone from nature. / by T.A. Conrad ...

1