296 coLYxrmn.E. 



General Distribution. The White-billed Northern Diver 

 breeds in the northern parts of North America from Alaska 

 to the Boothia Peninsula and Great Slave Lake ; also in north 

 Siberia as far west as Novaya Zemlya. It ranges south- 

 wards in winter to Japan and occasionally to Norway. It is 

 accidental in Colorado, Greenland, Upper Austria, and 

 Italy. 



Colymbus Stellatus. RED-THROATED DIVER. 



Colymbus StellatUS Pontoppidan, Danske Atlas, 1763, 

 p. 621 : Denmark. 



Colymbus septentrionalis Linn. ; B. O. U. List, 1st ed. 1883, 

 p. 202 ; Ogilvie-arant, Cat. Birds B. M. xxvi. 1898, p. 487 ; 

 Sounders, Manual, 2nd ed. 1899, p. 715. 



Stellatus = spotted (starred), from stella = a star. 



Distribution in the British Islands. A Resident, breeding 

 in Scotland from Argyllshire northwards to Sutherland and 

 Caithness in increasing numbers ; also in the Outer Hebrides 

 and the Orkney and Shetland Islands. In Ireland a pair or 

 two nest annually in co. Donegal. As a Winter Visitor it 

 is common all round our coasts from autumn to spring. 



General Distribution. The Red-throated Diver breeds in 

 the northern portions of the northern Hemisphere, ranging 

 southwards in winter to the Mediterranean, Black, and 

 Caspian seas and southern China ; also in North America to 

 California and Florida. 



Order PODICIPIDIFORMES. 



Family PODICIPID^, 



Genus PODICEPS Latham, Gen. Syn. Suppl. i. 1787, 

 p. 294. 



Type: P. cristatus (Linn.). 



Podiceps, perhaps more correctly Podicipes from podex, genitive podicis = 

 the fundament, and pes = foot. 



