BUFFALO SOCIETY OF NATURAL SCIENCES 



519 



A. 0. U. 



No. 



148 



No. 

 in List. 



AYTHYA MARILA. 37 



AMERICAN SCAUP DUCK. 

 Occasional. Migrant 



149. AYTHYA AFFINIS. 38 



LESSER SCAUP DUCK. 

 Onite common on Niagara River. Migrant. 



150. AYTHYA COLLARIS. 39 



RINGNECKED DUCK. 

 Occasional. Migrant. 



151. GLAUCIONETTA CLANGULA AMERICANA. 40 



AMERICAN GOLDEN-EYE. 

 Common on Niagara River. Migrant. 



152. GLAUCIONETTA ISLANDICA. 41 



BARROW'S GOLDEN-EYE. 

 I have one specimen in my collection with crescent 

 shaped spot. Migrant. 



153. CHARITONETTA ALBEOLA. 42 



BUFFLE-HEAD. 

 Common. Migrant. 



154 GLANGULA HYAMALIS. 43 



OLD SQUAW. LONGTAILED DUCK. 

 Quite common. Migrant. 



155. HISTRIONICUS HISTRIONICUS. 44 



HARLEQUIN DUCK. 

 Accidental. 



160 SOMATERIA DRESSERI. 45 



AMERICAN EIDER. 

 Rare. Wiuter visitor. 



162 SOMATERIA SPECTABILIS. 46 



KING EIDER. 

 Accidental. 



163 OIDEMIA AMERICANA. 47 



AMERICAN SCOTER. 

 Common. Migrant. 



165 OIDEMIA DECLANDI. 48 



WHITE-WINGED SCOTER. 

 Common. Migrant. 



166. OIDEMIA PERSPICILLATA. 49 



SURF DUCK, BLUE BILL. 

 Accidental. Migrant. 



