36 A MONOGRAPH OF THE PHEASANTS 



Culmen from 



nostril. 



Wing. 



Tail. 



Tarsus. 



Middle toe 

 and claw. 



Ithagenes wilsoni 1 2 

 Ithagenes geoffroyi 14 



170 

 215 



126 



177 



56 

 64 



49 mm, 



56 mm, 



While admitting wilsoni as a valid species in the light of our present knowledge, 

 it is important to record the fact that the geoffroyi from the western part of their range 

 are appreciably larger in size than those from Tatsienlu and its vicinity. 



Ithagenes wilsoni Thayer and Bangs, Mem. Museum Comp. Zool. Harvard, XL. 1912, p. 139; Wilson, 

 A Naturalist in Western China, II. 1914, p. 119. 



Ithaginis wilsoni Beebe, Zoologica, I. 1914, p. 265. 



