204 APPEXDTX. 



8. Antarctic (Antarctic circunipolar region). 



All the realms may be subdivided like Realm 2, which alone is shown 

 in this table. 



MIGKATIOX. 



I. Mr. William Brewster's list of birds which migrate freely, 

 chiefly, or exclusively by day : — 



The Robin. The Waxwing family. 



The Bluebird. The Swallow family. 



The Horned Lark. The Shrike family. 



The Titlark. The Hummingbird family. 



The Kingbird. The Crow family. 



The Chimney Swift. The Hawk family. 



The Oriole family (except the The Dove family. 

 Meadow Lark and the Orioles proper). 



Also from the other list, Pine Grosbeak, Purple Finch, etc., 

 etc. 



The manner of the migration of the Kingfisher is not known. 



The Nighthawk, Whippoorwill, Owls, and birds that are 

 habitually nocturnal or crepuscular naturally migrate b}' night. 



II. Mr. Brewster's list of birds that migrate exclusively by 

 night : — 



The Thrush family (except Robin The Finch family (except Pine 



and Bluebird). Grosbeak, Purple Finch (?),Cross- 



The Kinglet family. bills, Redpolls, Goldfinch, Pine 



The Titmouse and Chicadee family. Linnet, and Snow Bunting). 



The Nuthatch family. The Meadow Lark. 



The Creeper family. The Orioles. 



The Wren family. The Flycatcher family (except 



The Warbler family. Kingbird). 



The Vireo family. The Cuckoo family. 



The Tanager family. The Woodpecker family. 



Several of these take short flights by day, but never make 

 any extended migration until night, merely seeking their food 

 in the direction they intend to fly by night so as to lose no 

 ground. 



