KKV T<> TIII-: iiii;i>s MI- I;\>TKK.\ NOKTII A.MKI.-K \ 



SUBFAMILY CYGNIN/E. 

 Swans. 



Bare skin, between the bill and eye; tarsus, reticulate; neck, very long; 

 wing, over 19 inches long. 



General plumage, white; hill, Mark \viih yellow -pot i:nlult); <li-<tance from tip of l>ill 

 to nostril, !<-- i han tlistiuio- from nostril to eye (immature hinU an- j;ray or hro\\ nish ^ray . 

 Common on some parts of thccoa-t. Olf i;,/ii m l>iintns. Whistling Swan. 



Sec No. IMd. 



General plumage, white; hill. Mark, showing no yllow; distaiu-c from tip of hill io 

 no-it ri I. more than di-Iancc from nostril to t-yt 1 . < 'hielly foil ml in tin- interior o I North Ann'rica : 

 not common on the coast. nim- /,//<</*/. //.</. Trumpeter Swan. 



Sec No. 1:57. 



Olor 



General plumage, gray, or brownish gray; hinis ,,| thi, ,le^cri|.ti..n may he the 

 v """-"' eitherol the above species, the diireiv,,,-,. -, u,,. ,ii., :mr( . | niln ,| |( . I,;H ,,', ,| H . eye 



i: c|i;iracieritic ;i 



