223 



230 C. arcticus. Black-throated Diver. (485, y. w.) 



Winter. Young, common. Adult, rare. 



231 C. septentrionalis. Red-ihroated Diver. 



Winter. Young, common. Adult, rare. 



Genus — Podiceps. Grebe. 



232 P. cristatus. Crested Grebe. (487. f. w.) 



Winter. Common. 



233 ' P. rubicollis. Red-necked Grebe. 



Winter. Common. 



234 P. cornutus. Horned Grebe. 



Winter. Rare. 



235 P. carolinensis. Pied-billed Dobchick. (491. f. a.) 



Fall and Winter. Common. 



Note. — When the preceding catalogue was commenced, it was in- 

 tended that it should contain a short account of the time and places of 

 breeding ; also the dates, of the arrival and departure of our migratory 

 birds ; — ^but a loss of some of our notes obliges us to defer it for the 

 present. 



ACCIDENTAL VISITORS 



ORDER— ACCIPITRES. 



Family— VuLTURiN^. Vulturine Birds. 



Genus — Cathartes. Turkey — Vulture. 



1. C. atratus. Black Vidture. 



One shot in Swampscot, November, 1850.— J- 



