. Science of the sea. An elementary handbook of practical oceanography for travellers, sailors, and yachtsmen. Fig. 101.—Arachnactis. Fig. 102.—Pleurobrachia.(After Chun.) 174 THE FLOATING ANIMALS shore. A few live deep down in the very cold zones ofthe oceans. The Siphonophores (Figs. 96, 98 to 100) are closelyrelated to the Hydromedusae, but most of them havenot the appearance of a jelly-fish. Although some arefairly simple in their construction, others are extremelycomplicated. They usually have the appearance ofa colony of animals composed of different kinds ofindividuals. This group conta
. Science of the sea. An elementary handbook of practical oceanography for travellers, sailors, and yachtsmen. Fig. 101.—Arachnactis. Fig. 102.—Pleurobrachia.(After Chun.) 174 THE FLOATING ANIMALS shore. A few live deep down in the very cold zones ofthe oceans. The Siphonophores (Figs. 96, 98 to 100) are closelyrelated to the Hydromedusae, but most of them havenot the appearance of a jelly-fish. Although some arefairly simple in their construction, others are extremelycomplicated. They usually have the appearance ofa colony of animals composed of different kinds ofindividuals. This group contains some of the most beautiful, themost delicate, and the most fascinating animals thatlive in the sea. They are typically oceanic animals,and keep afloat by the aid of air sacs or oil all swim, often at a good pace, by means ofspecial organs called swimming bells. As a rule, theykeep below the surface of the sea, and a few have beentaken at a very great depth. They are found all overthe world, even under the ice off the Antarctic con-tinent, and the species have usually a very wide ge
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectocean, bookyear1912
