Key to the Species. 
A. Cheeks blue : . . .... 
a. Under surface crimson . . . . . . . . P. elegans, p. 304. 
b. Under surface yellow 
a\ Paler ; rump yellow : middle tail feathers 
blue above . . . . . . . . . . P. fiaveolus , p. 317. 
b 1 . Darker : rump green : middle tail feathers 
dark green above .. . . . . . . . P. caledonicus, p. 322. 
B. Cheeks white and blue : 
c. Head pale yellow : under surface bluish . . P. adscitus, p. 338. 
d. Head black : under surface yellowish, edged 
with black at the tips . . . . . . P. venustus , p. 345. 
C. Cheeks white : . . . . . . . . . . P. eximius , p. 352. 
D. Cheeks yellow : . . . . . . . . . . P. icterotis, p. 329. 
\\ 
303 
