Caption:
Ship worms, Teredo vulgaris, piddocks, Pholas dactylus, Xylophaga, and other borers and gapers. Handcoloured copperplate engraving by George Brettingham Sowerby from his own Illustrated Index of British Shells, Sowerby and Simpkin, Marshall & Co., London, 1859. George Brettingham Sowerby II (1812-1884), British naturalist, illustrator, and conchologist.