. The animal kingdom, arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy. Zoology. 340 MOLLUSCA. surface, and as it has been even asserted that the germ of this shell has been seen in the egg of the Argonaut *, we must say that this opinion is, to say the most of it, still very problematical.—Poli, Teniae. Neap. iii. p. ] 0. See also Ferussac, Mem. de la Soc. d'Hist. Nat. de Paris, ii. p. 1 GO ; and Ranzani, Mem. di S/or. Nat. Lee. i. p. 85. It is the Nautilus and Pompilus of the ancients.—Plin. ix. c. 29. We know some species, ver
. The animal kingdom, arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy. Zoology. 340 MOLLUSCA. surface, and as it has been even asserted that the germ of this shell has been seen in the egg of the Argonaut *, we must say that this opinion is, to say the most of it, still very problematical.—Poli, Teniae. Neap. iii. p. ] 0. See also Ferussac, Mem. de la Soc. d'Hist. Nat. de Paris, ii. p. 1 GO ; and Ranzani, Mem. di S/or. Nat. Lee. i. p. 85. It is the Nautilus and Pompilus of the ancients.—Plin. ix. c. 29. We know some species, very like each other both in the animal and shell, which Linnaeus confounded together under the name of Argonauta aryo, vulgarly called the Paper-nautilus. It is supposed that we must ascribe to an animal analogous to the Argonaut, the Bellerop/ion,—fossil shells rolled up spirally and symmetrically, and without septa; but thick, not grooved, and whose last whorl is propor- tionably shorter. [Sowerby says that Bellerophon is the only fossil that bears any real resemblance to Argonauta, but neither shell, in his opinion, has been formed by a Cephalopodous animal, but probably by one nearly like that of Carinaria. The fossils are characteristic of the carboniferous limestone, and the oldest secondary strata : in these the shell is frequently found changed to silex.] The Sleeve-fish (Loliffo, Lam.)— Have in the back, instead of a shell, a horny lamina in the shape of a sword or lancet. Their sac has two fins; and besides the eight feet, furnished with small pedieled suckers inordinately arranged, their head supports two arms much longer than the feet, and only acetibuleferous near the ends, which are enlarged. These the animal employs as anchors to fix itself. Their ink-bag is buried in the liver; and the glands of their oviducts are very large. They lay their eggs attached together in straight garlands, and in two series ; [and the entire mass somewhat resembles a mop, being
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectzoology, bookyear1854
