Abstract
THIS work, by a veteran American conchologist, contains 184 pages, and is a memorial of his labour and zeal during a period of more than forty years. The Unionidœ are generally known as “fresh-water mussels.” Their variability is notorious; for almost every river, lake, and pond yields different forms, which some writers call species and others call varieties.
A Synopsis of the Family Unionidœ.
By Isaac Lea 4th edition. 4to. (Philadelphia, 1870.)
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JEFFREYS, J. A Synopsis of the Family Unionidœ . Nature 4, 119–120 (1871). https://doi.org/10.1038/004119a0
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DOI: https://doi.org/10.1038/004119a0
