1-1 KI.V T<> TIU-: r.n:i>s OK KA.-TKKN NORTH AMKKICA. 



ll.vnl. ".i-e.-nMi purple. IK- \\hite nil li,-:nl: li;n-k. dull lil.-irk: speculum, gray (i 



.\iiih ijn rolliiri*. Ring=neck Duck. 



See No. 107. 



ll.-ad. dull In-null, l>n>\\ ni-h white at ha-e "I I'ill :in<l In-low eye: speculum, gray 

 i !i-iii:il< A;itliiin I'u/hn-i.-i. Ring=neck Duck. 



See No. )(>:. 

 Head, greenish purple, a laruv patch <>r \vliiii- on luck d lii-:nl iii;il<- . 



< ')irii< an tin <iUn,,\,i. Buffle-headed Duck. 



See No. lid. 



Hrad. dark lirnxxn or dusky, a patch of white behind the eye (on car coverts); no 



\\liiirorl>ro\\iii~!i \\hii, - A \ l, : i-c of hill: speculum, white (I'rinalr . 



cimriiointhi ,///...-/,/. Buffle^headed Duck. 



See N... 110. 



Section 2. Belly, not white. 



riuuiai;'!'. \afioii-l\ inarkcil \\ith \\hiif. slate-color, anil clicstnul onalc). 



ll/x/ritiitii-iix liixtriiniii-ns. Harlequin Duck. 



Sec No. 11 



(ncral I'lninairc. dull ITO\\ n. iiioiilcil on ihc under purls (female). 



Ilistrioiiifiix liivtriniiirHx. Harlequin Duck. 



See No. 11 

 Head, nii'-tly \\liiic. Lirci-ni-li on lore-; and occiput (male). 



Eniconetta >/,//<//. Stellers' Duck. 



See No. 114. 



Head, liirlit In-own: liclly. clear, -only In-own female). 



/:///<,,/;,//,/ shiii-ri. Stellers' Duck. 



See N... 111. 



* Group 3. Wing, from 7.50 to 8.50 inches long. 



Section 1. Head, marked with more or less white or 

 brownish white; belly, white, sometimes tinged with 

 dusky or gray on lower part. 



Head, brownish ; a patch of dull while on face at lia-e 

 "i i. ill: speculum, white (female). 



.\i/tli;i'i ui.irilit. (ireater Scaup Duck. Blue-bill. 



See No. KC,. 



\ytli.vM in inla ni-.-iivlii-a. 



Speculum, wAz'te, similar to preceding hm -mmeu hat -mailer female . Moro common in 



the Soiilli than (lie (Irealer >c:mp Duck. .I///////-/ nijinis. Lesser Scaup Duck 



See \o. 10r,. 



l-"i 'lin -i iiHM-iiivMiriit, M-I- page !>. 



