How the Snake Lost Its Legs the butterfly, the snake, and the cheetah. Each consists of three to eight sections named in the style of Rudyard Kipling's "Just So Stories", with titles like "How the butterfly got its spots" or "How the snake elongated its body", though a couple of sections use "Why?" rather than "How?", as in "Why the fly twirls his penis" (it rotates during embryonic development under the control of different genes). In these chapters, Held explains the mechanics of evolutionary developmental biology, complete with accounts of what genes such as hox, hedgehog, and engrailed do to shape bodies. The third part is
The Leopard's Spots The Leopard's Spots The Leopard's Spots is the first novel of Thomas Dixon's Ku Klux Klan trilogy that included "" and "The Traitor". In the novel Dixon offers an account of Reconstruction in which he portrays a Reconstruction leader (and former slave driver ), Northern carpetbaggers, and emancipated slaves as the villains; and heroes as members of the Ku Klux Klan. The novel served as one of the sources for D. W. Griffith's "The Birth of a Nation". The title refers to a passage from the Biblical Book of Jeremiah 13:23 "Can the Ethiopian change his skin, or the leopard