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Lea, I. (1842). Observations on the genus Unio, together with descriptions of new species in the families Naïades, Colimacea, Lymnæana, Melaniana and Peristomiana. Read before the American Philosophical Society, and originally published in its Transactions. With numerous plates. Vol. III. [iii]+ 88 pp., pls 5–27 [1 p. dedication (to Lardner Vanuxem), 1 p. contents, 1 p. corrigenda] + repaginated article of 1842 (Description of new fresh water and land shells. Transactions of the American Philosophical Society) in 88 pp. including 1 p. index, pls 5–27. Printed for the author, Philadelphia [December 1842].
301975
Lea, I.
1842
Observations on the genus <i>Unio</i>, together with descriptions of new species in the families Naïades, Colimacea, Lymnæana, Melaniana and Peristomiana. Read before the American Philosophical Society, and originally published in its Transactions. With numerous plates.
Vol. III. [iii]+ 88 pp., pls 5–27 [1 p. dedication (to Lardner Vanuxem), 1 p. contents, 1 p. corrigenda] + repaginated article of 1842 (Description of new fresh water and land shells. <i>Transactions of the American Philosophical Society</i>) in 88 pp. including 1 p. index, pls 5–27. Printed for the author, Philadelphia [December 1842].
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