64 H. D. GOODALE. 



PLATE IV. 



FIG. 7. Feathers from rump. A, 29 cf, breeding plumage; B, summer 

 plumage. C-E, normal females; C, 26 9 , November; D, 26 9 , August; ,41 9. 

 F-H, 24 9, castrated; F, August; G, H, November. 



