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Chapter 4 – THE UROPYGIAL GLAND
Molecular Systematics and Phylogeny of Old and New World Ratsnakes, Elaphe Auct., and Related Genera (Reptilia, Squamata, Colubridae)
The phylogenetic relationships of the Holarctic ratsnakes (Elaphe auct.) are inferred from portions of two mitochondrial genes, 12S rRNA and COI, and another new genus is described for four Oriental species.
[Functional and morphological study of parrot's beak].
[Beak trimming in chickens. A procedure for an innervated area].
[Morphological adaptation of the tongue and digestive tract to nectar feeding in nectarivorous parrots].
[Representation of the surface structure of the alimentary tract with the aid of electron microscope scanning].
- V. Ziswiler
- Biology, MedicineRevue suisse de zoologie; annales de la Societe…