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
Anvil firing to intelligence received of the presence of Confederate bushwhackers in Davis County. This was in response to a report of two suspected Confederate guerrillas at a residence in the neighborhood where they had demanded money and food and had terrorized the occupants, Mr. and Mrs. Gore. The private citizen who carried out the order to fire the anvil was seriously injured. Anvil firing Anvil firing (also known in the USA as an "anvil launching" or an "anvil shooting") in the USA is the practice of firing an anvil into the air with gunpowder. In the UK this is where black