DREPANIDID^. 51 



bb. Larger size, bill and wing longer. 



C. Chord of culmen not less than 1.95, averaging 2.15 ; above, bright 

 olive yellow, yellowest on the rump ; on crown and forehead the feathers have dark 

 centres with olive edges which give a "scaled" appearance to the region; a distinct 

 superciliary stripe ; under parts from chin to tail yellow with an olive tinge ; wings 

 and tail brown edged with olive on the outer webs ; lores black. Feinalc: Quite differ- 

 ent from the male; above, grey with an olive tinge; rump yellowish olive; head scaled 

 as in the male ; super-loral line dingy yellowish white ; lores black ; throat greyish 

 white; breast yellowish white with an olive green wash. Young: Have less 3'ellow 

 below and over the eye, scarcely any olive on the back, which is greyish ; scales on the 

 crown less noticeable. Length 7.00-7.50, wing 3.40-3.55, tail 2.10-2.25, chord of cul- 

 men 1.95-2.35, tarsus 1. 05-1. 10, toe i.oo. Hah. Kauai. 



PI. XXIX., 8130. 97. H. pro'cerus Cab. Kauai Akialoa. 



CC. Chord of culmen not exceeding i.95(?). Above, yellowish olive 



green somewhat mixed with greyish brown on the head where the bases show through 



Quills dark brown edged with the color of the back ; rectrices the same. Below, 



yellowish olive green much less bright than on the back and with little yellow in it, 



shading into olive buff on the vent, and with a brown pale shade on the throat, etc. 



Length 6.00 inches in the skin, wing 3.30, tail 2.10, tarsus 1.93, chord of culmen 1.90. 



Female: Smaller, more greenish olive, and less bright ; superciliary stripe faint and 



greenish. Chin, throat and middle of abdomen huffish yellow (From Rothschild's 



description). Hah. Lanai. 



98. H. lanaien'sis Roths. I,anai Akialoa. 



Genus HETERORHYN'CHUS Rothschild. 



FIG. 8. H. AFFINIS. 



Upper mandible much longer than the lower; tongue not as long as the upper 

 mandible. 



a. The under mandible curved ; smaller size. 



b. Head yellow ; no decided superciliary stripe. 



C. Color of the forehead bright deep gamboge yellow, not extending 

 over the crown, sharply defined from the greyish olive of the neck and back ; wings 

 and tail blackish brown with olive outer edges to the feathers ; lores black, and con- 



[307] 



