Identifier: commonobjectsofs00wood (find matches)
Title: The common objects of the sea shore : including hints for an aquarium
Year: 1860 (1860s)
Authors: Wood, J. G. (John George), 1827-1889 Sowerby, G. B. (George Brettingham), 1812-1884
Subjects: Marine animals Marine plants Aquariums
Publisher: London : Routledge, Warne & Routledge
Contributing Library: University of Pittsburgh Library System
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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stones, and even on living shells, of which they mostaffect the limpet, because it is not of migratory habits. It is a very remarkable fact, that although thebalanus never moves from the spot on which it hastaken up its habitation, and, indeed, is incapable of anykind of locomotion, yet when very young it was anactive, wandering little creature, furnished with jointedlimbs, much resembling a young shrimp or crab, andswimming freely through the water with a succession ofbounds. When first discovered, the young balani werethought to be veritable crustaceans; but after carefulobservation they were seen to affix themselves to thesides of the vessel in which they were placed, andstraightway to change their roving life for an existenceof settled quiet. Similar strange developments takeplace in many marine animals, but there will not besufficient space for their discussion. 104 BARNACLE. The balanus has a very near relative going by thepopular name of Ship-barnacle, and the scientific title
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of Pentalasmis anatifera, the latter title signifying thefive-plated goose-bearer. It is called Pentalasmis, orfive-plated, because its shell is composed of five distinctportions, curiously arranged, and between them thecirrhi are protruded. The word goose-bearing isgiven to it because an old writer named Gerard, wholived in 1636, discovered that the Bernicle-goose (Ber-

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