. Elements of conchology / Prepared for the use of schools and colleges. Mollusks. GL AUCUS.—C ARIN ARIA. the back, and in which the mouth is armed with lateral horny jaws, similar to shears; the Glaucus, remarkable for its blue colour {jig. 85), in which the branchise, three pairs in number, are situated in the same manner, but each one is composed of several long fringes, spread like a fan ; and the EoLiDi^ {fig. 84), which resemble small Limaces in form, in which the branchiae are composed of laminae, or leaflets, arranged like scales, more or less crowded together on each side of the back.
. Elements of conchology / Prepared for the use of schools and colleges. Mollusks. GL AUCUS.—C ARIN ARIA. the back, and in which the mouth is armed with lateral horny jaws, similar to shears; the Glaucus, remarkable for its blue colour {jig. 85), in which the branchise, three pairs in number, are situated in the same manner, but each one is composed of several long fringes, spread like a fan ; and the EoLiDi^ {fig. 84), which resemble small Limaces in form, in which the branchiae are composed of laminae, or leaflets, arranged like scales, more or less crowded together on each side of the back. They are found in every Fig. 85.—GLAUCUS. ORDSR OF GiLSTEROFODiL HETEROFODil. 43. These gasteropods are not organized, like all the pre- ceding, for crawling on the belly, but for swimming only. In fact, their foot, in place of forming a horizontal fleshy disk, is compressed into a vertical membranous plate, which is used as a fin. Their body is formed of a transparent, gelatinous sub- stance, and their branchise are placed on the posterior part of the back. The principal genera of this group are the Carinaria and FlOROLA. y e hr c /. 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 Ruschenberger, W. S. W. (William Samuel Waithman), 1807-1895; Comté, Achille, 1802-1866; Milne-Edwards, H. (Henri), 1800-1885. Philadelphia : Grigg & Elliot
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectmollusks, bookyear184
