-( 56 )- 
y Synonym b -fe y ;v, ^> >^ ^\v\3tft ■=• P3 S ^ ^ — i& 7 segetum serrirostris V [p] 
—IS 7 - A" ? / i~ ?y y $t y . [fff > 7" Salvador] f£, Dresser J£ fc* Alpheraky 
' 18 .R * Subspecies b -b 7 Z^-Vt? ? &. ?JE* Vi?*. 
^ \*Ml$l-<h foM; * /^mv^,^%4Mfc&?W^'**S r ^^Yellow- 
headed Goose h nf^A-. / & 3 v 7 — & -fe -r a * / t V - 
ft?®?* a^K>» ilk - * fft r ? gp f Uh dfc^ ftfc' Jf' ® r $ V b > * . B± / in 
flMBP^ J/. wr<uw 1- J^-J-a a V t I/. Jk? M. arvmsis Fit 
^ '^W^Jft^lfe " ^ 3/. sepefuw serrirostris / £u ^ -t / 7* !> . ±P$/ 
' 3335 - 6 #3 7 W * A* * s T ? t " 1* J/ - anensu • 9 - ? 9 X—%k - =» / 
6^ * * y h ± p l^ trM- * X y f 2-1-30 1® ? y 1^ 24 f@ y $\ 
.a = &83 ? iBx^ * / r y XIIS^ Q ^ ^ ^ 7- f » B * ^ ^ / 
tRJi^ (Alpheraky a * / ) 
Total length 780-930 mm. (3O.07-3G.G0 in.) 
Oilmen 74-83 mm. (2.90-3.26 in.) 
Depth of bill at base 30-38 mm. (1.41-1.49 in.) 
Breadth of bill at base 31 mm. (1.12 in.) 
Breadth of bill (middle of narcs) 25 mm. (0.98 in.) 
Greatest depth of lower mandible with bill shut 9-12 mm. (0.35-0.47 in.) 
Srpead •••up to 1390 mm. (54.70 in.) 
Wing 450-505 mm. (17.70-19.80 in.) 
Tarsus 74-84 mm. (2.91-3.30 in.) 
Middle digit without claw 73-7G mm. (2.87-2.99 in.) 
Claw of middle digit 16-17 mm. (0.63-0.66 in.) 
