Tryon, George W. (George Washington), 1838-1888. Structural and systematic conchology: an introduction to the study of the Mollusca ... / By George W. Tryon, jr. ...

Tryon, George W. (George Washington), 1838-1888.

Structural and systematic conchology: an introduction to the study of the Mollusca ... / By George W. Tryon, jr. ...

Philadelphia : The Author, 1882.

"List of important recent works and papers upon the geographical distribution of the Mollusca": v. 1, p. 209-215.

Mollusks.

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