Key to the Species. 
A. Head and hind-neck vinous ; wings green with slight 
coppery reflections. 
a\ Shoulder-patch with only a line of white feathers ; 
upper tail-coverts black C. chnjsochlora ^ p. 141 
h'. Pale line on shoulder-patch grey ; upper tail- 
coverts brown C. chrysochlora ? p. 141 
B. Head and hind-neck lilac ; wings green with very 
strong coppery reflections. 
c'. A large white shoulder-patch ; upper tail-coverts 
slate-colour . . . . . . . . . . C. longirostris S p. 143 
d\ Pale line on shoulder-patch white ; upper tail- 
coverts brown C. longirostris ? p. 143 
140 
