The animal kingdom, arranged after its organization : forming a natural history of animals, and an introduction to comparative anatomy . n the shape of a boat, or rather of a shoe, roughenedwith httle points arranged in longitudinal rows. The animal has two large vascular wings, which areits branchiae and its fins; and between them, on the open side, there is a third lesser lobe with threepoints. The mouth, with two small tentacula, is between the wings, towards the closed side of theshell; and above are two minute eyes, and the orifice of generation, whence issues a penis in the form • Some o
The animal kingdom, arranged after its organization : forming a natural history of animals, and an introduction to comparative anatomy . n the shape of a boat, or rather of a shoe, roughenedwith httle points arranged in longitudinal rows. The animal has two large vascular wings, which areits branchiae and its fins; and between them, on the open side, there is a third lesser lobe with threepoints. The mouth, with two small tentacula, is between the wings, towards the closed side of theshell; and above are two minute eyes, and the orifice of generation, whence issues a penis in the form • Some of these multilocolar shells belong; apparently to the testa- I t M. de Blaiiiville unites my Pteropodes and Gasteropodcs inli, ceous Annclides ; while the curious observations of pujardiu seem to one class, which he calls Puraccphalophoru, of which my Pteropods have proved that the great bulk of the Foraminiferes are not Mol- I constitute his order ^porobranchiatit. This order he divides into a, but animals related to the Infusoria.—Ann. do Sa. Nat. a. s. J two families:—The Thecusomata, which have a shell; and the Uj/iniiu-. vol. v. et scq.—En. I somuta, which ;iru shell-less 344 MOLLUSCA. of a little beak. The transparency of the body allows us to distinguish the heart, the brain, and theviscera, through the envelopes. The Pneumodermes {Pneumodermon, Cuv.)—Carry their dissimilarity to the Clios a little further. The body is oval, without cloak or shell; thebranchiae attached to the skin, and formed of little leaflets set in two or three lines, disposed in thefigure of the letter H opposite to the head ; the fins small; the mouth (garnished with two small lips,and two bundles of numerous tentacula, terminated each by a sucker) has underneath a small lobe, orfleshy only species {P. Peronii, Cuv.) was taken in the ocean by Peron. It is not less than an inch in length. The Limacin^, Cuv.,—Ought, from the description of Fabricius, to have a nigh relation
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Keywords: ., bookcentury1800, bookdecade1840, booksubjecta, booksubjectzoology
