File:Animal life in the sea and on the land (1887) (14593926557).jpg

Identifier: animallifeinseao00coop (find matches)
Title: Animal life in the sea and on the land
Year: 1887 (1880s)
Authors: Cooper, Sarah. (from old catalog)
Subjects: Zoology
Publisher: New York, Harper & brothers
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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Text Appearing Before Image:
pus ! Thecharm must certainly be due to that lovely white shellwhich is prettily ribbed and fluted, and so transparent asto show the varying silver and rose tints of the bodyunderneath. 2. Resemblance to the Octopus.—Notwithstanding theseattractions, our eyes are now sufficiently trained to find inthe argonaut many points of resemblance to the octopus.There are the unmistakable suckers on the arms, the greatwide-awake eyes, and the curious funnel projecting be-yond the shell just below them. 3. The Shell secreted by the broad Arm.—In addition tothese, there are many new points of interest. You willnotice in the upper figure of this picture that the twohinder arms are spread out into flat, sail-like membranes,which here only partly cover the shell. They may, how-ever, be extended so as to cover it entirely. Indeed, theshell has been secreted by these broad membranes, andif it is broken in any way, the injuries are soon repairedby new shelly matter deposited just where it is needed.
Text Appearing After Image:
Fig. 113.—Argonauts. THE ARGONAUT. 179 4. The Body not fastened to the Shell.—Although theargonaut lives in this shell, its body is nowhere fastenedto it, neither does it fit the shell and fill it up, as othermollusks do. It merely sits in the graceful shell as in aboat, and holds on by its webbed arms. 5. Fanciful Stories.—Fanciful stories have been told ofthe argonauts, and persons were led to believe that theysailed over the waves, with their webbed arms held aloftas sails to catch the breezes, and that their straight armswere used as oars. So far from sailing in this fantasticfashion, the argonaut rarely comes to the surface, butpasses its days in deep water or upon the bottom of theocean. Here it crawls head-downward, with its shell overits back, using its arms in placeof feet. 6. In reality the argonaut swims just as its relatives do—by squirting itself backward. Gathering the arms to-gether in a straight line, as shown near the middle ofFig. 113, it takes in sea-water u

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