We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePerspectives: evolutionary biology. Limbless tetrapods and snakes with legs.AuthorsGreene HW; Cundall DPublicationScience (New York, N.Y.), 2000, Vol 287, Issue 5460, p1939ISSN0036-8075Publication typearticleDOI10.1126/science.287.5460.1939