422 LAMELLIROSTllAL SWIMMERS — ANSEKES. 



Geni's OLOR, Wagleb. 



Olor, Waul. Isis, 1832, 1234 (typf, Anas cygmis, Linn.)- 



Ohar.* Neck very loti^' (li)ii>,'cr thiiii llio body), bill lotij,'L'r than the lii'iul (commissure! lonf,'cr 

 thim tlio tarsus), widening' slightly to the end, the edges straight ; hasul jiortiun of the bill covercil 

 by a soft skin extending over tlie loi^'s to the eye, the upper outline running nearly straight bai k 

 from the forehead to the upper eyelid, the lower running from the eye oblitpiely downward, in a 

 nearly straight line, to the rictus. Nostrils situated a little posterior to the middle of the maxilla, 



'$ 



'III- 



V. hnccinalor. 



and quite near tlie culnien ; no trace of a knol) or caruncle at base of the bill. Lower portion uf 

 the tibia bare ; tarsus nuich shorter than tlu; middle toe (l)ut little longer than the inner), mm li 

 compresi?ed, covered with hexagonal scales which become smaller on the sides and behind. Hind 

 toe small, much elevated, the lolw narrow. Tail very short, rounded, or graduated, of 20 to i I 

 feathers. Wings rounded, the second and third quills Imigest ; i>rimaries scarcely reaching beyoiid 

 the ends of the secouduries. Color entirely wliiti-, the sexes alike ; young pale grayish, 



"Synopsis of the Species. 



o*. The distance from the anterior angle of the eye to the hind border of the nostrils much longer 

 than the distance from the latter to the tip of the bill. 

 h^. The yellow color at the basi' of the 1)ill extending beyond the no.itril.^. 



* " DiAGX. ; edominant color of the adults white ; the young with downy or feathered lores, the down 

 on the sides of the bill teniiinating far back of the nostrils, and forming very distinct loral antia; ; tcrtiaiiis 

 and scapulare normal, not crisj) ; tail longer than the niiddip toe with claw, rounded ; inner webs of outi r 

 three primaries, and outer webs of the second, third, and fourth, sinuated | webs of the feet not scalloped " 

 (Stejneoeb, tQia. cU. pp. 197, 198). 



