Note 858 — Chapter V · (continued 3)

‘The class called Sepia has the organ of hearing, though somewhat differently constructed from what it is in fishes.’ An Account of the Organ of Hearing in Fishes, in Hunter‘s Works, vol. iv. p. 294. At the bottom of the page Mr. Owen observes, in a note, ‘This is the first announcement of the existence of an organ of hearing in the Cephalopoda.’