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 wife, Kate. They have come because Kate has agreed to raise the child. But, as Pinkerton sees how Butterfly has decorated the house for his return, he realizes he has made a huge mistake. He admits that he is a coward and cannot face her, leaving Suzuki, Sharpless and Kate to break the news to Butterfly. Agreeing to give up her child if Pinkerton comes himself to see her, she then prays to statues of her ancestral gods, says goodbye to her son, and blindfolds him. She places a small American flag in his hands and goes behind a screen,