GEN. 247-250 OF KEY. 93 



477. CYGNUS AMERICANO'S SHARPLESS. 



Whistling- Swan. 



478. ANSER ALBIFRONS GM., 



var. GAMBELI (Hartl.) Cs. 

 American White-fronted Goose. 



479? ANSER CJSRULESCENS L. 

 Blue Goose. 



480. ANSER HYPERBOREUS PALL. 



Snow Goose. 



480a. ANSER HYPERBOREUS PALL., 



var. ALBATUS (Cass.) Cs. 

 iLesser Snow Goose. 



481. ANSER ROSSII BD. 



Goose. 



482. PHILACTE CAWAGICA (SEVAST.) BANN. 

 Painted Goose. 



[483.] BRANTA LEUCOPSIS (L.). 

 Barnacle Goose. 



484. BRANTA BERNICLA (L.). 



Brant Goose. 



485. BRANTA CANADENSIS (L.), 

 Canada Goose; Wild Goose. 



485a. BRANTA CANADENSIS (L.), 



var. LEUCOPAREIA (Brandt) Cs. 

 White-collared Goose. 



485b. BRANTA CANADENSIS (L.), 

 var. HUTCHINSII (Rich.) Cs. 

 Hutchins' Goose. 



