Elements of the comparative anatomy Elements of the comparative anatomy of vertebrates elementsofcompar00wied Year: 1886 G Fto. 05.—SKULL OF A AViLD DUCK (Anas baschas). A, from above; B, from below ; C, from the side. «., alisphenoid ; ay, angular ; ar, articular ; , anterior palatine foramen ; , basitemporal ; , basioccijiital; , basipterygoid ; , basisphenoid ; d, dentary ; , external nostrils ; eth, ethmoid ; , exoccipital ; , Eustachian aperture ; fr, frontal ; , foramen magnum ; , foramen for internal carotid artery ; j, jugal; Ic, lacrymal ; , ma


Elements of the comparative anatomy Elements of the comparative anatomy of vertebrates elementsofcompar00wied Year: 1886 G Fto. 05.—SKULL OF A AViLD DUCK (Anas baschas). A, from above; B, from below ; C, from the side. «., alisphenoid ; ay, angular ; ar, articular ; , anterior palatine foramen ; , basitemporal ; , basioccijiital; , basipterygoid ; , basisphenoid ; d, dentary ; , external nostrils ; eth, ethmoid ; , exoccipital ; , Eustachian aperture ; fr, frontal ; , foramen magnum ; , foramen for internal carotid artery ; j, jugal; Ic, lacrymal ; , maxillopalatine process ; mx, maxilla ; n, nasal; , nasal process of the premaxilla ; px, premaxilla ; p, parietal; ps, presphenoid ; pg, pterygoid ; pi, palatine ; , internnl nostrils ; q, quadrate ; , quadratojugal ; sq, squamosal; , supraoccipital; ty, tympanic cavity; v, vomer ; //, foramen for optic nerve ; V, for trigeminal ; IX, X, for glosso- pharyngeal and vagus ; XII, for hypoglossal.


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