Rudiments of Conchology / Intended as a familiar introduction to the science.

by Mary Anne Venning

TEREDO.
SABELLA.

"From the appearance of this piece of timber you may form some idea of the devastation committed by the Teredo, or ship-worm. (Plate 8.) The shell is tubular and flexuose; two valves at each end, and penetrating through wood. There are four species.

Plate 8.

Page 36.

"Sabella is the last genus, and a very remarkable one. The species are twenty-five, several of which are British, ([Plate 8.])

"Shell tubular, formed of sandy and calcareous particles, agglutinated, and inserted in a membranous sheath. Sabella Belgica is found in Britain. S. chrysodon is found buried in sea-sand, often several inches long; it is covered with fragments of shells, and so brittle that it is not easy to obtain a complete specimen.