The animal kingdom, arranged after its organization : forming a natural history of animals, and an introduction to comparative anatomy . nal termi-nacing in the extremity of the fleshy tube pre-viously mentioned. The eggs pass through this tube,and in their course are exposed to the influence oftlie seminal fluid. The Cirrhopodes are all considered them all as belonging to onegenus, which Bruguieres divided into two, andthese have recently been much subdivided. The Anatifa, Brug.—lias a compressed cloak, open on one side, and sus-pended to a fleshy tube, varying greatly as to tl
The animal kingdom, arranged after its organization : forming a natural history of animals, and an introduction to comparative anatomy . nal termi-nacing in the extremity of the fleshy tube pre-viously mentioned. The eggs pass through this tube,and in their course are exposed to the influence oftlie seminal fluid. The Cirrhopodes are all considered them all as belonging to onegenus, which Bruguieres divided into two, andthese have recently been much subdivided. The Anatifa, Brug.—lias a compressed cloak, open on one side, and sus-pended to a fleshy tube, varying greatly as to tlienumber of testaceous pieces with which it is animal has twelve pairs of cirri, six on each side ;those nearest the mouth are the shortest and branchiie are elongated pyraraidical appendages,that adhere to the external base of the wliole of thecirri, or of part of them. In the commonest species (Pentnlmmis, Leach) the twoprincipal valves have a considerable resenihlance to those ofa Mussel; two others serve to complete a part of the marginof the shell opposite the beak ; and a fifth odd one unites the. Fiij. 131.—dronp ol Analifn, to a shipi l \Vo have ^llO 1 tliat Lairbeing act. a nuKlit 1 J be Orbicula n orvrgica, ivhich we seut to liii \.*—S(itrevbif. „,ecimei 9Ul 1 The ( rripeitci ol Lamarck : llie Siti of Bl c c 3HG MOLLUSCA.
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Keywords: ., bookcentury1800, bookdecade1840, booksubjecta, booksubjectzoology