1. External pore (leading to labyrinth. Willughby (?) , 1686. 2. Endolymphatic pouch (doubtfully homologous to endolymphatic sac) lying in the parietal fossa. Monro, 1785. 3. Muscle of parietal fossa (inserted on endolymphatic pouch). Weber, 1820. 4. Utriculus divided into anterior and posterior sections, not directly connected with each other. Retzius, 1878, 1881. 5. Otoconia instead of otoliths. Breschet, 1838. These peculiarities were discovered many decades ago; most of them are in general ignored by present day comparative anatomists and writers of laboratory manuals.
Proceedings of the Iowa Academy of Science
©1930 Iowa Academy of Science, Inc.
Norris, H. W.
"Some Peculiarities of the Plagiostome Ear,"
Proceedings of the Iowa Academy of Science, 37(1), 381-383.
Available at: https://scholarworks.uni.edu/pias/vol37/iss1/104