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
Sunda leopard cat Sunda leopard cat The Sunda leopard cat ("Prionailurus javanensis") is a small wild cat species native to the Sundaland islands of Java, Bali, Borneo, Sumatra and the Philippines that is considered distinct from the leopard cat occurring in mainland South and Southeast Asia. Desmarest described the Sunda leopard cat from Java as a little smaller than the domestic cat with brown round spots on grey-brown coloured fur above and whitish underneath, a line from above each eye towards the back and longish spots on the back. He noted the similarity to the leopard cat from India. Like all "Prionailurus" species