. Text-book of zoology for junior students. Zoology. Fig. 99.—Two fuUy-gniwii individuals of tlic common Barnacle (Lapas aiuUiferu), grow- ing upon a foreign body, p The -stalk of attachment; c The body of the animal en- closed in a shell, from which the legs can be F:g 100. — A, Acorn-shell (Dulamis hOanijldt-i), of the natural size, viewed from above. B, Bcdanus, with the shell on one side removed, to show the animal inside ; a and h Two of the plates fuDiiiug the lid of the shell. centre of a membranous or .shelly plate. The body is enclosed in a limpet-shaped or conical shell,
. Text-book of zoology for junior students. Zoology. Fig. 99.—Two fuUy-gniwii individuals of tlic common Barnacle (Lapas aiuUiferu), grow- ing upon a foreign body, p The -stalk of attachment; c The body of the animal en- closed in a shell, from which the legs can be F:g 100. — A, Acorn-shell (Dulamis hOanijldt-i), of the natural size, viewed from above. B, Bcdanus, with the shell on one side removed, to show the animal inside ; a and h Two of the plates fuDiiiug the lid of the shell. centre of a membranous or .shelly plate. The body is enclosed in a limpet-shaped or conical shell, comj)Osed of several pieces, and hav- ing an a])erture at its summit. This opening is closed by a movable lid, and from it tlie animal can protrude its delicate legs or " cirri," which look like a " glass hand," and are constantly employed in sweeping the water in search of food. In accordance with the fixed condition of the adult, almost all the Cirripedia are hermaphrodite, possessing both male and female organs of reproduction. In some cases, however, males exist, but 11. 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 Nicholson, Henry Alleyne, 1844-1899. New York, American Book Co
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1885
