. Fig. .")3. Modell des Munddaches, ohne Schleimhaut, eines Echidna-Embryos; nach Seydel x 33. C7? primitive Choane; E Eizahn; 6'Gaumenplatte;y(' Jacobson-

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmammals, bookyear1904