-( 52 )- 
i*. G. F. G5bel&- a u-^Jj|9y 48.5 mm. (3.32 in.) H£g 76 mm. (2.99 
in.) ^jy^T 80.9 mm. (3.18 in.)t !> jg^y 52.5 mm. (2.06 in.) ||£a 50 mm. 
(1.96 in.) £-f 51.5 mm. (2.02 in.) f- ') g^- 1050 cgrm. r !> . #p|fc-" 
21. Melanonyx arvensis (Brehm) 
ylnser nrroisis Brehm. 
„ (trveiisi* var. leuconyx Selys-Longchamps. 
segetum arvensis (Brehm). 
„ segetum var. arrewsis (Brehm). 
„ segetum Gmelin (part.). 
„ segetum Bruch. 
segetum middendorffii (Severtsov). 
„ segetum var. serrirostris (Swinhoe). 
„ fahalis (part.) Latham. 
„ fabalis Salvadori. 
,, sylvestris Degl. & Gerbe. 
„ leuconyx Selys-Longchamps. 
„ serrirostris var. middendorffii (Severtsov). 
„ middendorffii Severtsov". 
? „ paludosus Strickland. 
. Yellow-billed Bsan-Goose, J^T^til ^ ^ M. arvensis }• M. segetum \- / 
>jij f~ ^ y V ~> 7 ffl t 7 /is * -~e / i~ ') 3" Bsan-Goose, Bog-Goose, Grey Goose, ? Carr- 
lag (J. paludosus Strick. f- yv --e y i/^f'Tl I- ^ ^ ^ =» y 7 * jfl 7 ^ a I- 
?#)• 
Jjig^. Acker-Gans, Feldgans, Feldsaatgans, grosse Gans, buntschnabliche Saatgans; 
grosse ]SIoorgans, grosse Zuggans, Buntsehnabel, rostgelbgraue Gans. 
y±M- ' ^M^&iW®? JIf. arvensis \ M. segetum V / %%\] 7 +? X? ^ K 
KRf-Jfc? » ' RTfis* y t 9 gfc^&>- Alpheraky ft^y frm^'fc * ? MS ^ 
7 * • Jlfc Fd $ ' 4>g ^IS-TJ r - J# Ar 15 mm. = ii * • 8& v K 
* ifcffi ~ — & */r~T ?xs/? &m -Ife? r * / * VM* ? t'^Sfr- Hull 
