Book
Gray, J.E.
1852. Molluscorum Britanniæ Synopsis. A Synopsis of the Mollusca of Great Britain, arranged according to their Natural Affinities and Anatomical Structure. By William Elford Leach. John van Voorst, London, [>](12 Feb) 1852: [i]-xvi, [1]-376, pls. I-XIII.
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New: Original inclusion of species
New: Subsequent spelling