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Updated: May 22, 2025
Of Mollusca we observed, a Limacina; two Eolidiæ, some of which have very beautiful colours; a Laniogerus; a Polycera; four kinds of Doris; a Scyllæa; an animal which deserves the name of Planaria, it was three inches long, two broad, and only half a line thick; on the upper surface, half an inch from the edge, are two projecting eyes; and in the same part, on the surface beneath, the mouth may be perceived; in the middle of this under surface is another aperture, from which the animal, when in a tranquil state, frequently strecthes out four small folds of skin; this creature, like the Planariæ, crawls very nimbly.
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