1Thomas Jefferson to Charles Willson Peale, 5 May 1809 (Jefferson Papers)
Your favor of Apr. 3. came to hand on the 23 d of April . I have no doubt that the marked differences between the elephant & our colossal animal entitle him to a distinct appellation. one of those differences, & a striking one, is in the protuberances on the grinding surface of the teeth, somewhat in the shape of the mamma, mastos, or breast of a woman, which has induced Cuvier to call it the...