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In the spring of last year Mr. Shipley brought to Cambridge a few specimens of a Dinophilus, which he had found in Mount's Bay, near Penzance. These he was kind enough to place at my disposal; and in April last I was able myself to procure a larger number of specimens from the same locality.
The animals were found in considerable numbers on red seaweeds, &c., in pools, near spring-tide low water mark, on the rocks to the west of St. Michael's Mount. The weeds were placed in shallow white basins, with plenty of sea-water, for from twelve to twenty-four hours, when the Dinophilus left the weed, and were easily seen against the white wall of the vessel, on the side turned towards the light.
Eastern Atlantic warm temperate to boreal
English Channel
North Sea (and Channel)