29 



Key to the subspecies. 



(A). Wing not over 6omm.; general colour dark green. 



(a). Larger ; wing 55.5-600101. (exceptionally 6o.5nnm.) ; chin 



green [Caroline Is. : Kusaie ; Ponape ; Ruk], 



E. t. trie/iron (Kittlitz). 



(b). Smaller; wing 54-550101; chin blue [New Hebrides].... 



P^. t. cyanifrons E. L. Layard. 



(B). Wing over 6omni. 



(c). Bill not thicker than in d ; wing 60-651001.; general col- 

 our not deep, and yellowish-green, especially on under- 

 side. 

 (aO Frontal blue band broad ; wing 60-650101. [Moluc- 

 cas] E. t. modest a Wallace. 



(b') Frontal blue band narrow ; wing 63-640110. [Solo- 

 mon Islands] 



El. t. zvoodfordi Rothschild & Hartert. 



(d). Bill much thicker thah in c. 



(c') Larger ; wing 67mm. ; general colour deep green; 



entire crown of head blue [Arfak] 



E. t. papuana Rothschild & Hartert. 



(d') Smaller; wing 6o-62mm. (exceptionally 68 or 70), 



general colour deep or pale green ; only fore part 



of crown blue. 



(a") General colour of under-parts deep green ; 



chin also green. 



(a'") Outer edge of secondaries green. 



[British N. Guinea] 



E. t. goodfcllozvi O.— Grant. 



