FAMILY ANATID.E. DUCKS, GEESE, ANT) SWANS. 



63 



* Group 2. Wing, from 8.50 to 12 inches long. 

 Section 1. Bill, narrow, with tooth=like serrations. 



Distance from uostril to tip of bill, less than 1 .50 ; head 

 and neck, greenish black ; uuderpai'ts, creaui}' wliile, tinged 

 with salmon color; feet, red (male). 



Merganser america>w. American Merganser. Sheldrake. 



See No. 86. 



Distance from nostril to tip of bill, less than 1 .50 ; head, 



rufous brown ; uppcu- throat, white ; I'ct't, orange red (female). 



Merganser americana. American ilerganser. Sheldrake. 



See No. 80. 



Top of bill. 

 Merganser ainericana. 



Distance from nostril to tip of ]»ill, more than 1.50; head, 

 black, tinged with green; breast, i-ufous, streaked with black 

 (male). Merganser serrator. Red-breasted flerganser. 



See Xo. 87. 



IVIerganser seiTator. 



Distance from nostril to tip of bill, more than 1.50; head, brownish, palest im the 

 throat; speculnm, white (^female). Merganser scrratur. Red=breasted flerganser. 



See No. 87. 



SUBFAMILY ANATIN/E. 

 River and Pond Ducks. 



Ducks having hind toe without membraneous 

 lobe or flap ; tarsus, scutellate in front. 



^" Group 1. Wing, 5 to 7.50 inches long. 

 Section I. Hind toe, without flap or lobe. 



Large patch pale blue on wing (coverts) ; 

 white crescent on face iiiiale); no while 

 crescent, face speckleil: chin whitish ( h- 

 malf). Common in K;is|rni I'nili'd Slates. 



Anas dismrs. Blue-winged Teal. 

 Anas (lisfors. See No. '.I,. 



Large patch of pale blue on wing coverts); head and breast, rufous browu; crown, 



* Kor ilirfi'tiiiii-. lur iiK'asiireiniMit, t>ee page 9. 



