424 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



Figure 29. — Morphnus guiamnsis. 



blue; iris said to be yellowish to grayish yellow; cere and bill plum- 

 beous black; tarsi and toes yellow; claws blackish. 



Adult female. — Similar to the adult male, but larger and with the 

 crown and occiput darker, dusky hair brown; the sides of the neck 



