This page has been validated.
Pl. XVI.
(p.z.s. 1910. Pl. XCIV)
).jpg)
Andre & Sleigh, Ltd.
heads of: (1) (2) female grouse; (3) (4) male grouse; (5) ptarmigan, showing supra-orbital combs.
Page:GrouseinHealthVol1.djvu/105
Pl. XVI.
(p.z.s. 1910. Pl. XCIV)
Andre & Sleigh, Ltd.
heads of: (1) (2) female grouse; (3) (4) male grouse; (5) ptarmigan, showing supra-orbital combs.