. Animal activities : a first book in zoölogy. Zoology; Animal behavior. Fig. 112.—Hydractinia [magnified). After Agassiz. A, male colony; B. female colony; a. feeding zooid; /. tentacles; b. reproductive zooid; c, protective zooid; d^ e, f, g, h, /, stages of jelly-fish. a colony. Again we notice the setting apart or differ- entiating of zooids to perform each its own work. At the base of the zooids of Hydractinia a hard skele- ton is built, which resembles coral in its nature. Commensalism. As stated above, the Hydractinia is common!}' found on shells inhabited by hermit-crabs. The H}'dracti
. Animal activities : a first book in zoölogy. Zoology; Animal behavior. Fig. 112.—Hydractinia [magnified). After Agassiz. A, male colony; B. female colony; a. feeding zooid; /. tentacles; b. reproductive zooid; c, protective zooid; d^ e, f, g, h, /, stages of jelly-fish. a colony. Again we notice the setting apart or differ- entiating of zooids to perform each its own work. At the base of the zooids of Hydractinia a hard skele- ton is built, which resembles coral in its nature. Commensalism. As stated above, the Hydractinia is common!}' found on shells inhabited by hermit-crabs. The H}'dractinia colon}' is thus carried about and brought constantly into contact with a new 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 French, Nathaniel S. (Nathaniel Stowers), 1854-. New York ; London : Longmans, Green, and Co.
Size: 1416px × 1765px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjecta, booksubjectzoology
