Periwinkle

Definition and stakes

Anna Graetz,  Pearl and Periwinkle

“ For a moment all stood still as though rooted to the spot; then Pearl and George ran as fast as their legs could carry them to the house of Mr. Grey. Peri, obeying the heroic impulse of his brave heart ran quickly but cautiously toward the thinning ice in the centre of the pond. Bobby had come to the surface and, though much frightened, had managed to grasp the edge of the broken ice. When Periwinkle came within a few feet of the child he flung himself down and wriggled carefully toward Bobby until he was able to get hold of his collar. ”
Source: Gutenberg

Theodore Wood,  The Sea-Shore, Shown to the Children (1907)

“ One of these is the Common Periwinkle, which is very plentiful indeed on many parts of the coast. You may find it in thousands and thousands if you hunt about on the weed-covered rocks near the water’s edge when the tide is out, and no matter how many of them are caught, there always seem to be just as many again next day. This is the periwinkle which is used for food.
The other is the Dog Periwinkle. It is rather larger, and has a stouter shell.
”
Source: Gutenberg

J. G. Wood,  Nature's Teachings: Human Invention Anticipated by Nature

“ The Whelks feed largely upon other molluscs, in spite of their shells. A periwinkle has a peculiarly hard shell, and yet Mr. Rymer Jones saw a Dog-whelk (Purpura lapillus) eat a periwinkle in a single afternoon, first boring a hole through its shell with the tooth-ribbon, and then, by means of the same weapon, licking it, so to speak, out of its shell.
The Periwinkle itself has a similar tooth-ribbon, and so have the Limpet and the pretty Top-shell. These creatures are vegetarians, but they are furnished with similarly armed tongues, and use them in the same way.
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Source: Gutenberg

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