How the Snake Lost Its Legs fly embryo. His books on evolutionary developmental biology (evo-devo) include "Imaginal Discs: The Genetic and Cellular Logic of Pattern Formation" (2002), "Quirks of Human Anatomy: An Evo-Devo Look at the Human Body" (2009), and "Deep Homology? Uncanny Similarities of Humans and Flies Uncovered by Evo-Devo" (2017). In Held's view, "Quirks", "Snake", and "Deep Homology" form a trilogy on evo-devo. "How the Snake Lost Its Legs" is ostensibly organised into six chapters, but in effect into three parts. The first chapter serves as an introduction and overview. The next four chapters provide what Held calls "the meatier aspects of evo-devo" with
Madama Butterfly the new couple. After a short while, Sharpless pleads with Pinkerton not to be cruel, and he leaves with the Commissioner and the Registrar. Pinkerton, Butterfly and their guests continue the celebration with many toasts. 12. "Cio-Cio San!" ("Cio-Cio San"). The toasts are interrupted by an angry voice offstage, saying "Cio-Cio San! Cio-Cio San! You are damned." Butterfly's uncle, the Bonze, has discovered that Butterfly has renounced her ancestral religion, and he has arrived to deliver his curse. He stands over Butterfly, shouting his curses at her, when Pinkerton intervenes to stop him. The Bonze is shocked at the American,