ocr: GEOGRAPHICA Limbs on a Snake Family Tree You have to look cosely to: sec them in this artist's rendering ofa95- million-year-old, three-foot water snake and in the fossil itself, but this snake has two very unsnake- like features: inch-long rear legs. Michael Caldwell of thel Uni- versity of Alberta and Austra- lian colleague Michael Lee recently spotted thel legs in two specimens found 20 years ago in marine rocks on the) Jor- dan River's west bank. They're full limbs, from thel hip down to two toes, but functionally useless, says Caldwell.An ear- lier studyi identified thel fossils as lizard ...
