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
Like-A-Butterfly take the lead approaching the last fence and winning by one and three quarter lengths from See You Sometime and the favourite L'Ami. Like-A-Butterfly was retired from racing to become a broodmare for J. P. McManus's stud. She produced five foals: Like-A-Butterfly died in February 2013 after contracting colic following the birth to her last foal. Roche said "I've never trained one better than her. She was a bit special". Like-A-Butterfly Like-A-Butterfly (19 April 1994 – 7 February 2013) was an Irish Thoroughbred racehorse and broodmare who competed in National Hunt racing. Although she did not begin competing in public