Send a comment on this item to LII: Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours. The Academy of Natural Sciences: Thomas Jefferson Fossil Collection In this online exhibit, "examine the fossils and explore the science and history surrounding this collection" which represent some of the fruits of Thomas Jefferson's paleontology collection. Includes material about the American mastodon, ground sloth, ancient bison, ancient horse, Harlan's musk ox, megalodon shark, stag moose, and woolly mammoth. Also includes pages that "elaborate on some of the scientific, philosophical and historical issues" surrounding the collection. From the Academy of Natural Sciences in Philadelphia. http://www.ansp.org/museum/jefferson/ Asterisk * indicates required field. Your Name Your Email Address * We will not sell or provide your email address to anyone else. Comment * Enter the verification code as it is shown in the box below. This helps prevent automated submissions. *