13. A Series of Nineteen Pheasants (Phasianus colchicus L.)*presenting Anomalous Secondary Sexual Characters in association with Changes in the Ovaries


  • Dr. James M. Harrison D.S.C., M.R.C.S., L.R.C.P., M.B.O.U., F.Z.S.

  • *These birds are, of course, crosses of P. colchicus with the various other races of Pheasants which have been introduced into our coverts from time to time.