Genus Rufibrenta, Bonaparte (1856) 



Distinguished from other genera of geese with black feet by the circumstance that the 

 whole chin is feathered, or, at least, the feathering of the chin falls short of the posterior 

 margin of the nail of the lower mandible by only i^-2 mm. ( = 0.05-0.07 in.). The bill is 

 distinguished by a very strongly convex, rounded nail on the upper mandible, and by the 

 fact that the nasal depressions are either in complete contact with the feathering of the lores, 

 or approach the latter very closely. 



The teeth on each side of the upper mandible do not exceed 16 1 in number, and with 

 shut bill are not visible externally, since they do not project with their tips beyond the 

 tomia. The plumage is mottled, comprising the colours black, white, and rufous, and 

 across the wing run two transverse white bars. The tail -coverts do not reach the tips 

 of the tail-feathers, of which there are 16. 



THE RED-BREASTED GOOSE 



RUFIBRENTA RUFICOLLIS, PALLAS 



Plate 15 



English — Red-breasted Goose. 



Russian — Krasnozobaya kazarka (more a book-name) ; krasnozobaya hazard (Bogdanov) ; 

 ryzhesheek, ryzhesheyaya kazarka, and tsvetnaya kazarka (all three names on the 

 Sarpa, ace. Artsybashev) ; chubaraya kazarka (Ural) ; krasnozoby nemok and 

 nimbk ; piskunets (Turukhansk, ace. Middendorff) ; chukunok (perhaps chugunok ?, 

 at Tolsty Nos 2 ) ; menshaya kazarka (Lepekhin) ; morskaya kazarka (Obi) ; 

 }turpan (Obi, teste Finsch ; hardly correct) ; shmakovaya utka (Vavilov 3 ). 



Ostyak — Chakvoi, chagvoi, and chogvoi (Obi) ; also ? Lak {teste Finsch). 



Kal my к — Sunksur. 



Samoyed — Chagu ; Seoniya (Boganida, Middendorff). 



Kirgiz — Kekchentai ; Kara-kaz (Zarudny). 



Yakut — Kazarka (Boganida). 



German — Meppelgans) Rothalsgans] Rothalsmeergans ; Spiegelgans ; Mopsgans. 



French — Bemache a сои roux. 



1 In the brent goose (Branta bernicld) the number of teeth on each side of the upper mandible varies from 28 to 30, so far as I 

 can judge from the material examined. 



2 Schmidt, Mem. Ac. J. Sc. St.-Pet., 7th ser., vol. xviii. No. 1, p. 43 (1872). 



3 Okhota v Rossii, pt. iv. p. 44. Note. — Confused with Netta rufina ? 



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