The sportsmen cried out, "A hen pheasant!" but a gentleman present, who had often seen grouse in the north of England, assured me that it was a greyhen.    From Wordnik.com.  [The Natural History of Selborne, Vol. 1] Reference

The last pack remembered was killed about thirty-five years ago; and within these ten years one solitary greyhen was sprung by some beagles in beating for a hare.    From Wordnik.com.  [The Natural History of Selborne, Vol. 1] Reference

Another interesting feature about pheasants is the extraordinary difference in plumage between the sexes, a gap equalled only between the blackcock and greyhen and quite unknown in the partridge, quail and grouse.    From Wordnik.com.  [Birds in the Calendar] Reference