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Conradi Gesneri medici Tigurini Historiae animalium liber IV . DeAquatilibus teriorem voco eam in qua os cornua funt oculorum vice fubeft caro dura qua maxime faxo het qu icun pidi rormam refer Os fuperiore in loco manifeftum eft inferiore ori aduerfo excrementi meatus non ui tefta vt mea qus dicitur Os venter fequitur in eo