-( 29 
^ jfcjffif'li; 7 /». canadensis / Synonym h t *. if •> * =» h -»» 
/>'. canadensis / ,i(l"'Jt ? liL^'^ i/. 
/»'. canadensis— •> * =6^3g/h^f- !> . Alpke>aky R / I]] 7 n> Leucoblqiha- 
7 3 • +B# 3 9 |">M£/ Ri] = 7 =» h * V • iiHI'/i: / All > Salvadori 
i(\->H ~ 7 Alpherky ^^Af)66- ft— -S^k^* . 
* it 
£ At 
I 
ffi m 
m 'al % 
23-25 in. 
0.95-1.15 
13.60-14.50 
2.40-2.75 
Salvadori 
584-635 mm. 
24-29.2 mm. 
345-368 mm. 
61—70 mm. 
Alpheraky 
frfc « / ±¥#?&J^- Norton Sound # t » Lower Yukon = r %<M * f u |'3C 
Kotzcbuc jQ£ fc*icjE??-ffY/ r- ' Point Barrow PR =. * ig v. . ft >^ ^ i, ^ ( ; 
£>J£t* Upper Mississippi Valley / Wisconsin ^flfe/ Jlil-^^fR ->fifi 3tR3f I- > 
7 Sandwich ^ t* Laysan Bftftj ~ i£ Mi ^ a b r !/ . E. W. Nelson JJc St. Michael's 
(7^H V Kottik (3£/J ) = t- X Henshaw ft - Gray's Harbour ( - |- - )) ) - f H 
13. Branta ruficollis (Pall.). 
Bernicla ruficollis (Pall.). (M & % - Rfc) 
Anser ruficollis Pall. 
„ peregrinus Friscli. 
„ torquatus Bonnaterre (nee Frisch). 
Rufibrenta rnficollis (Pall.). 
Brenthus ruficollis (Pall.). 
Leucopareia ruficollis (Pall.). 
Casarka minor Lepecli. 
Anas torquata Gin. 
„ pulchricollis Georgi. 
„ ruficollis (Pall.). 
Ptocas ruficollis (Pall.). 
Menshaya hazarka Lepekhin. 
