Sea-shore life; The invertebrates of the New York coast

Description:

White-armed anemone (Diadumene leucolena syn. Sagartia leucolena) Identifier: seashorelifeinve00may (find matches)
Title: Sea-shore life; The invertebrates of the New York coast
Year: 1905 (1900s)
Authors: Mayor, Alfred Goldsborough, 1868-1922 New York Zoological Society
Subjects: Marine animals
Publisher: New York : The New York zoological society
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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elicate salmon-pink, or olive, are common at New^port SEA ANEMONES AND CORALS 45 and farther north. Largo spec^imens aro aljout three Indies wideand four high. When expanded the body is cylindrical with adense fringe of tapering tentacles surrounding the slit-like mouth.The tentacles are covered with minute liair-sliaped organs, or cilia,which wave outward so as to create a current from the base towardthe tip of the tentacle, and they are also armed with thread cellsthat sting the small creatures upon wliich the anemone feeds. These sea anemones develop from eggs, but they also slowlydivide ; an originally single anemone sometimes splitting longitu-dinally until two are produced. In addition Islrs. M. L. Ilammatt dis-covered that little anemones are often budded out from the ))ase oflarge ones. The body of the anemone contains powerful muscles, and whenthe animal is disturbed these contract so that the tentacles are rolledinward and hidden away, while the body becomes a mere dome-like
Text Appearing After Image:
Fig. J/; wm ri:-.i:. :i) anemone. From Life.Specimens in tlie New York Aquarium. mass. Long, white, thread-like fdaments are als*extruded throughpores in the sides of the body. These filaments fFig. 20J, are calledaeontia, and bear great numbers of stinging thread-cells. The White-Armed Anemone, fSagaiiia leucolena, Fig. 21), iscommon off the Long Island coast, and extends from the Carolinasto Cape Cod. It is slender, the body being somewhat more thantwo inches long, while the tentacles are about one inch in length. 46 SEA-SHORE LIFE It lives in dark situations on the under sides of stones, or upon theshaded piles of wharves below low tide level. Sometimes, how-ever, it is found almost buried in gravel or coarse sand. The body

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