405 resultados para CUVIER


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Contiene: Teoría de la Tierra (2 v.) -- Hist. Nat. del hombre (2 v.) -- Hist. Nat. de los cuadrúpedos (4 v.) -- Hist. Nat. de las aves (8 v.) -- Hist. Nat. de los minerales (4 v.) -- Hist. Nat. de los cuadrúpedos ovíparos y culebras (2 v.) -- Hist. Nat. de los mamíferos cuadrumanos (3 v.)

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Mode of access: Internet.

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Vol. 1 contains a eulogy by Vicq-d'Azyr, a response by Saint-Lambert, and a eulogy of Daubenton by Cuvier.

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A new dracunculoid genus and species, Moravecia australiensis, is described from gill-filaments of the green porcupine fish Tragulichthys jaculiferus (Cuvier) (Tetraodontiformes: Diodontidae) from Moreton Bay, Queensland, Australia. Abundant mobile larvae and a few adult males with females occurred in the gill-filament between the epithelial basement membrane and efferent artery. Gills of all 69 fish examined contained larvae. Eleven harboured adult nematodes of a previously undescribed species belonging to the family Guyanemidae. The new species is placed within a newly proposed genus because it differs from the four existing genera in the family in possessing fine cuticular transverse striations, two forward protruding cephalic elevations, a circumoral elevation, a small triangular mouth surrounded by six cephalic papillae arranged in two lateral clusters of three each and a pair of large lateral amphids. Males have two pairs of pedunculate caudal papillae supporting the caudal alae. A key to the genera of the Guyanemidae is presented.