Middle ear to sounds of higher frequency, because these are better taken up by the inner ear (which also responds to higher frequencies than those of non-mammals). The malleus, or "hammer", evolved from the articular bone of the lower jaw, and the incus, or "anvil", from the quadrate. In other vertebrates, these bones form the primary jaw joint, but the expansion of the dentary bone in mammals led to the evolution of an entirely new jaw joint, freeing up the old joint to become part of the ear. For a period of time, both jaw joints existed together, one medially and one
The Broken Ear the original story line. The passage containing Tintin's drunkenness has been ignored entirely, keeping the character consistent with how it is seen in the rest of series - upright, conscientious and of commendable moral standards. Besides, the political narratives, almost ubiquitously present in the latter part of the original album, have also been largely overlooked. Tintin's conflict with the military was also replaced with one with Alonso Pérez and Ramón Bada. The Broken Ear The Broken Ear (, originally published in English as Tintin and the Broken Ear) is the sixth volume of "The Adventures of Tintin", the comics series