BiblioVault may have an electronic file which would meet your requirements for this title:
On the Nature of Limbs: A Discourse
Richard Owen, Ronald Amundson, Brian K. Hall, Mary P. Winsor, Kevin Padian, Jennifer Coggon and Ronald Amundson
Paper: 978-0-226-64193-5
Cloth: 978-0-226-64194-2
Electronic: 978-0-226-64195-9