A Descriptive Catalogue of Recent Shells: Arranged According to the Linnæan Method; with Particular Attention to the Synonymy, Volumen2

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J. and A. Arch, 1817 - 1092 páginas
 

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Página 1088 - Griffiths's shells was 5 feet 4 inches, and the circumference of the base 9 inches, tapering upwards to 2J inches. There were other good ones of smaller size. The large specimen was nearly perfect, having a small part of the lower extremity entire. Most of the shells had adhering to them, about one foot or more from the top, the small cockscomb oyster, email serpulae, &c.
Página 1088 - ... had formed a second three inches up the tube, and afterwards a third two inches further on, and had made the sides thicker and thicker, so as to diminish the canal in proportion to the diminution of its own size.
Página 979 - The ends of the pipes have screwthreads worked on the outside of them about an inch and a quarter or an inch and a half long.

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