IV, C, e, 1 



IHUKOTOUY TO lUUOS OK KASTKKN NOKTU AMKKUW, liiTt 



simultaneously; orios. uuisioal ami IroiimMitly oiven boih 

 >vheu the binls are in tlight Kig-. 157. 



ami whon ^ i t t i u ij on the 

 >vaior; the notes may be ren- 

 dered by '" Er-lit ah-er-lit '^ 

 varied by '* Ak-ah ah-er-UtS^ 

 AVhen a number are vociferat- 

 ing- the etYeet produced is sim- 

 \hir to chiUlisli, or feminine 

 articulations uttered ii\ an un- 

 kno\vn tonoue. Xests. placed 

 on the ground : Cii^s, bluish- 

 ash. 



gf. l*;iiiitO(l l>iu'ks. llistrioiiii'us: 



Similar in ueneval form ti> f. but lark the the K>ni; cen- 

 tral tail featliers, and are singularly ntarkcd with white, ehesi- 

 nut ami black. 



1. llAKl.V:(.,>riN ni'd^. II. uistkionhis. lt>.7:>;bilU 

 l.(>0: blackish tinned with slaty; t rian^U- m tront of eye. spot 

 on back of head, line on nci'k, two crescents on sides, and 

 markinos on back, white: line oi\ ti>p of head ami Hanks, 

 chestnut, tii^:. loi^. b'eniale, ashy-brown. nu>ttUul with whit- 

 ish below ; w liitish spot in front of eye and one of pure white 

 on l)ack of ear coverts. l>reeds in X. A. frt>m Newftuimllami 

 northwartl chietly in the interior; ctunes south in Nov. t^) win- 

 ter quite commonly in tlu> liay of V'undy ami r;irely to the 

 coast of Mass. ami stMithw:irii to \. J. 



h. Fidors. Soinatoria. 



Large ducks which frcipieni the se:i i-oiist ; m;iU>s, bhu'k 

 <ind w'liite ; females, brown ; bill, r:ither lon^-. provided at b;ise 

 with a divided, tlesliy projection th:it extends on \<\ the fi»re- 

 head. 



1. AMERICAN EIDEK. S. duesseki. l.>r).00 ; bill, 2. KU 

 head, neclv, an(i above, wliite: foreliead. line thri>uiih t>yt>. 

 and beueatli, black; portion of liead, iih>ssed with oreenish, 



