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 Anvil (album) solo on something or other but I only had one day off and there was no way that I could fly home on my one day off. Rusty is not a man to be put off by such things and he was actually trying to put together a satellite linkup from Madrid to London for this one guitar part. Not surprisingly it didn't come off but I was sorry not to have been as involved on "The Anvil" as I had been on the first album". "The Anvil" was released in March 1982. It reached No. 6 on the UK