Key to the Species. 
A. Throat chestnut ; breast grey ; under wing-coverts 
and axillaries chestnut. 
a'. Hind-neck and mantle chestnut, in contrast with 
the back . . . . . . . . . . . . P. elegans S p. 149. 
V. Hind-neck and mantle olive-brown like the back . . P. elegans $ p. 149. 
B. Throat white ; breast vinous ; under wing-coverts 
and axiUaries cinnamon. 
c'. Sides of neck blue-grey, in contrast to the back. . P. chalcoptera S p. 146. 
d'. Sides of neck olive-grey, like the back . . . . P. chalcoptera ? p. 146. 
145 
