. Methods of study in natural history . Animals; Corals; Embryology. Vertical section of a contracted Sea-Anemone or Actinia: o, mouth ; t, ten- tacles ; s, inner sac or stomach ; 6, main cavity ; //, reproductive organs ; g, radiating partition ; eee, radiating chambers; c c, circular openings in the partitions ; a a, lower floor. The tentacles are drawn in. the top forms a kind of mouth, around which are radiating tentacles connecting with the open chambers formed by the partitions within. Cut-. Sea-Anemone or Actinia, moderately expanded. ting such an animal across in a transverse sec- tion


. Methods of study in natural history . Animals; Corals; Embryology. Vertical section of a contracted Sea-Anemone or Actinia: o, mouth ; t, ten- tacles ; s, inner sac or stomach ; 6, main cavity ; //, reproductive organs ; g, radiating partition ; eee, radiating chambers; c c, circular openings in the partitions ; a a, lower floor. The tentacles are drawn in. the top forms a kind of mouth, around which are radiating tentacles connecting with the open chambers formed by the partitions within. Cut-. Sea-Anemone or Actinia, moderately expanded. ting such an animal across in a transverse sec- tion, we shall see the radiation of the partitions. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Agassiz, Louis, 1807-1873. Boston : Ticknor and Fields


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Keywords: ., bookcentury1800, bookd, booksubjectanimals, booksubjectembryology