dhw: It does not prove that exaptations, including the lowered larynx, hung around unused etc. (see above), and that was the claim that sprouted this whole branch of the discussion between you and me.[/b]-I cannot find them but I have put in here somewhere quotes that said both 'used' and 'unused' anatomic parts. I can't find them now. I'm still sticking with my interpretation and Tattersall's.