FAMILY ANATID.T:. DUCKS, GEESE, AND SWANS. 



71 



SUBFAMILY FULIQULIN/E. 

 Bay and Sea Ducks. 



Ducks having flap or membraneous lobe on 

 hind toe; tarsus, scutellate (transverse scales) in 

 front. 



* Group 1. Wing, from 5 to 6.50 inches long. 

 Section 1. Tail feathers, not stiff and pointed. 



Head, j^i'^eu's^'i purple, with wliite patt'li (male) ; head, 

 gniyisli hrowii with white ])atc-h ( Iciiialc or iinmatiin') ; no 

 dark stripes on clicek; hill, i<-s-^ th.iii ihrrc roiirtlis inch wide. 



ChiiritoneUa allwoln. Buffie=liead Duck. Dipper Duck. 



!See No. 110. 



Cliaritouctta albeola. 



Section 2. Tail feathers, stiff and pointed. 



'l'liio;ii, whitish; idiccks, wlutc or whitish; hill, hro;id, tliriM' <piarters iiu-h oi' nioif widi'. 



Krisi,t(tti<raji(iii(fircnsis. Ruddy Duck. 

 See No. 



Front (d' lif.id, incliidiiii;- chct-ks, hiai-k (adidti; hrad with Idack stripes on side (Teinale 

 or innnal nr<-) I'l-opical sihhmcs iircidrnla! in liic 1 'nitt'd States. 



Noiiinni/.r dumtninis. Hasked Duck. 

 See No. li>:{. 



* Group 2. Wing, from 6.50 to 7.50 inches long. 

 Section 1. Belly, white. 



Ilt'iid, j:;ic<'ni<li iiin|ii"', nn while on In-ad : hack. h;irrcd 

 Idack and wldlc; speculum, white (inaic). 



AiiDnjii <i,[liiiis. Lesser Scaup Duck. Blue-bill. 



S,.c \,.. IOC. 

 Aylliyii alVniis. 

 Head, hrowinsh. a palcli <<( .lull v\ liiic :ii Imsc of hill ; no wliiic ..ii rm , .a. i ,- ; spec u hi id. 

 white (ft'inalcj. AijihiKt nfi'iiiis. Lesser Scaup Duck. Blue-hill. 



Sec No. KHi. 



Kiir iliroliniiK liir iiirar.in'i'iiii'iil, >v\' \<i\\n'. '.'. 



