iled Duck, 



)us lobe 

 /er part 

 1 head. 



(,(./ {f- 1, I'll' 



)uck. 

 k Heail. 



irctii-,i (iii'ih 



."ii;. 



p Duck. 

 (5lack=heail. 



, ,11'ih ). 

 iin'i' "i7. 



leckeil Duck. 



i-nlliiris (null' ). 



ecus lobe 



ri'iiii''iis {iii'il' 

 HI' (ill. 



KKV in |)l( K>. (il'.l'.SK AM> SWANS Ol' NOIJI'II AMICIIICA. 1^1 



'rii|i u| hcMil .•mil wiii!^- r<)\crl-. imi while: |iIiiiii;il;c. (lull lnuw ii. iiinn Inl mMlic 

 iiMilcriJiirl s. 



Harlequin Duck. 



Hist ri'iiiii-ils histi'ifiilii'fis [j) ni'fh ). 

 Sci' p;!"!' (ill. 



ip (it lii'iiil. uliili': Willi;- coM-r-H. wliilr: riiiiip. li|iii-li lil.ick 



Stellers' Duck. 



i:iii'-i,i,'ll'i at' II' i-i. 

 Si'l' p;mc 7.'i. 



I GROUP IV. 



^ Birds having wings from 8.50 to 10 inches long.^> 

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



I li-hiiici' ii'oiii iHi-ii'il In lip III iiiii. less than 

 1.50; lic.iil .iiiil iicik. greenish black; iimliT- 

 p.'iil-. iTr;iiiiy wliili', liiin'iMl Willi >;iliiinii i-(il(ir : 

 IVi'l. reel. 



American merganser. 

 Sheldrake. 



Mirijiiniti r 'imi ri'^'iim i mali 

 Sec piii^i' :i7. 



.Mil-:! 



lil-ff ;iiMfl!t;iti:i. 



M 



i)isiiiiicf IVciin 1 Id-Mil III ii|i III 111 1 1. |f",a than 1.50 ; head, rufous brown ; uppn- 

 ilinml. wliiii' : Ifci. iii;iii;;c nil. American nerganser, 



M Sheldrake. 



M M'l'it'inn' I' (III" ri'''ii"i /'null'), 



M ^''"i'^ •'"• 



r / I ii-i;iiirr iiiiiM iiii-i ril III lip iiT hill, more than 1 .50 ; 



_--- head, black ting;ed with jcreen ; Im;-!, lutnu- 



-iii'Mkril wiih hl.Hl^. Red>b>-easted Merjcanser. 



M' r'i'iiisi f SI rrnliir {mnli ). 



Distance from nostril to tip of bill, more than 1.50; head, brownish, p.ih-i 



nil till' ihrn.Mi I <prciiliiiii. whiir. Rcd-breasted Hersanser. 



„, M' rii'iiisi r SI rriit'if (fiimili). 



3 Sec liii.n'f Its. 



im * V"y iliiniiiin> lor ini'.i-iiirini'nl-. >i'i' |iMm' (i. 



