A treatise on zoology . Fio. 30. Median longitudinal section of the anterior region of BdeUostoma Forsterii, M. (Modifiedfrom Parlcer.) , buccal cavity ; , basal plate of tongue ; br, brain ; , cartilage ring ofnasal tube ; et, median horny tooth ; /./, fatty tissue ; , hypophysial plate ; , hypophysialsac opening behind into pharynx ; m, mouth ; nac, nasal tube ; nap, median nostril; , nasalcapsule, with cavity divided by median septum ; ni, notochord ; oe, pharynx ; , parachordalplate ; pt, rasping organ with horny teeth; $n,, subnasal cartilage ; t, cartilage of tongu
A treatise on zoology . Fio. 30. Median longitudinal section of the anterior region of BdeUostoma Forsterii, M. (Modifiedfrom Parlcer.) , buccal cavity ; , basal plate of tongue ; br, brain ; , cartilage ring ofnasal tube ; et, median horny tooth ; /./, fatty tissue ; , hypophysial plate ; , hypophysialsac opening behind into pharynx ; m, mouth ; nac, nasal tube ; nap, median nostril; , nasalcapsule, with cavity divided by median septum ; ni, notochord ; oe, pharynx ; , parachordalplate ; pt, rasping organ with horny teeth; $n,, subnasal cartilage ; t, cartilage of tongue ;i; velum. The cartilages are dotted. A. B.
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishe, booksubjectzoology
