Evolution of the cochlea about 7 mm long. Like in lepidosaurs and archosaurs, it contains a lagena, a vestibular sensory epithelium, at its tip. Only in therian mammals (marsupials and placentals) is the cochlea truly coiled 1.5 to 3.5 times. Whereas in monotremes there are many rows of both inner and outer hair cells in the organ of Corti, in therian (marsupial and placental) mammals the number of inner hair-cell rows is one, and there are generally only three rows of outer hair cells. Amphibians have unique inner ear structures. There are two sensory papillae involved in hearing, the basilar (higher frequency) and amphibian
The Body in the Library earlier, Anne Meredith knows Ariadne Oliver as the writer of a book called "The Body in the Library". In the first episode of the second series ("And the Moonbeams Kiss the Sea") of the television series "Lewis," the body of a handyman is found in the Bodleian Library. DS James Hathaway comments to DI Robbie Lewis, "You realise what we've got, don't you, sir. ... The body in the library." The 1984 television film "The Body in the Library" was part of the BBC series of "Miss Marple", with Joan Hickson making the first of her acclaimed appearances in the