Hatt, Robert T. (Robert Torrens), 1902-2005-10-062005-10-061932http://hdl.handle.net/2246/948p. 599-738, [10] leaves of plates : ill. ; 24 cm.Includes bibliographical references (p. 708-714).27284453 bytesapplication/pdfen-USQH1 .A4 vol.63, art.6, 1932Rodents -- Anatomy.Spine.Animal locomotion.Rodents -- Morphology.The vertebral columns of ricochetal rodents. Bulletin of the AMNH ; v. 63, article 6text