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NATURAL HISTORY, TORONTO REGION

 

Prince, T. Monograph of American Corbiculadae,

Smithsonian Misc. Coll., vol. 7. 1865. Tryon, G. W., Jr. Land and Fresh-water Shells of

North America, Part IV, Smithsonian Misc.

Coll., vol. 16. 1873.

Walker, Bryant. An Illustrated Catalogue of the Mollusca of Michigan. Report of the Geological Survey of Michigan for 1905. Lan-sing, 1906.

Williamson, A. E. Notes on Land and Fresh-water Shells collected in the Environs of Toronto. The Canadian Journal, New Series, vol. 6.

1861.

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