1. On retrogressive motions in birds produced by the application of cold to the cervical spine: with remarks on the use of that agent as an aid in physiological investigations Author(s): Mitchell, S. Weir (Silas Weir), 1829-1914 author Publication: [Philadelphia?] : [publisher not identified], [1867?] Subject(s): Movement -- physiologyHypothermia, InducedCervical VertebraeBirds
