168 



AVIFAUNA OF LAYS AN, ETC. 



Key to the adult males of the Genus Loxops. 



a. Above green, below greenish yellow, lores black L . cceruleirostris (Kauai). 



b. Above and below orange-scarlet or scarlet-orange ; wing about 25 inches L. coccinea (Hawaii). 



c. Above and below rufous orange with a brownish wash; wing about 



2*25 inches T r /~ , . 



L. riff a (Oahu). 



d. Above and below orange ochraceous ; wing about 25 inches ochracea (Maui). 



This key applies only to adult males, the females and young of the different species 

 varying sometimes so little from each other, and passing through so many different shades 

 of coloration, that a precise, short, and satisfactory key could not be given for them. 

 The three reddish forms are hardly more than subspecies. 



