146 



TOTIPALMATE SWIMMERS — STEGANOPODES. 



nearly parallel in its curvature with the anterior; but the patch becomes narrower upward, where 

 it extends on each side to immediately behind the orbit. A large white patch on each flank, at 

 the insertion of the leg. Entire top and sides of the head (except the occipital crest), down nearly 

 to the middle of the neck, covered with narrow white filamentous feathers. " Upper mandible 



grayish black, along the edges yellowish white ; lower yellowish white at the base, dusky toward 

 the end ; iris light bluish green, margins of eyelids dusky ; bare space about the eye dull olive, 

 below it bright red, the gular sac yellow ; feet and claws grayish black" 1 (Audubon). Adult, in 

 winter: Similar to the above, but white flank-patch and filamentous feathers of the head absent. 



No red in the bare skin of the head. Young, first plumage: Above, dull brownish gray, the 

 feathers bordered with dull black (much less sharply than in the adult) ; rump and upper tail- 



1 Accordingto Audubon, the "soft parts " of an adult female obtained in July were colored as follows : 

 " The bill, eves, and feet are colored as in the male [see above], as are the bare parts about the base of the 

 bill ; only the part under the eye, which is bright red in the male, is bright yellow in the female." 



