•20 



KKV n. i.M-K>. .;ki>k am. >nvans (.r noimh amkim.x. 



^c!-;i:';r:,-^;'^:^^''':::'''r;,::'r-;'"r;.t:n:i 



|i(iiiiii'il. 



Old Squaw. Lons-tailed Duck. 



( 'hiiiijnhi hill iH'ili.i. 



Sci' |i:iiir i> I. 



Section 5. Hind toe with well defined membraneous lobe 

 or flap; belly, white, sometimes tinged on lower part 

 with dusky or gray ; no white or grayish white on head. 



lend, liniw 11. 



i;l,niriiniillii iln mj nln ii iinrli'iniii {0 muh 

 Sec pMii'i' ■'''•I- 



;hnii-ii'i»lt.i il:inuiilii 

 ;iHirri»';in;i. 



Head, black, slossed with green; speculum, w 



liiirlv liiii'il with lil;irU. 



hite; \<:\vU. 'irMvi-li wliiti' 



(jreater Scaup Duck. 

 Blue-bill or Black Head. 



.!.(///././ unirihi iiiiii-rlli-ii (iimli 



Lesser Scaup Duck. 

 Blue-bill or Black=head. 



A'llliiJ'i iiriilii^ < null' )• 



liaclv. nr;i,vi-li uliilf. -nnil 



I 



>ri' lillU'c •)! 



Head, black. With violet or bluish rIo.ss, . -1-"" -'''""" '"" '"'" ^ ■'^P'^'-"- 



lum, gray ; Ikk k. iIu1Mi1m>-K. RinjtMiecked Duck. 



Alllllllil i-nlhll-!^ (Illilh). 



Sec |i;ii:i' 'i^. 



Section 6. Hind toe with well defined membraneous lobe 



or flap; belly, not white. 



,.„n,i:,..... vai-inu-lv n.,iU,.,l uiH, wlii.-. Ma.-^nln,. :n„l ,.li-^ln,U: -,'•■'-! 



,,,„M,:in,,„n„.n,l.-,i„l.in.o,v,.r.-.n.Huhn,.. H„Hec,uin Duck. 



Ilisli-i'iiiiiii" hir'lrliiiiii'i'-'' {iii'ili . 

 See piliic li'l. 



