OCT., 1900.] 



CLASSIFIED LISTS OF SPECIES. 



51 



United States National Museum and for much valuable assistance; to 

 Dr. J. A. Allen and Mr. F. M. Chapman for the hours which I spent 

 with the birds in the American Museum of Natural History; to Mr, 

 William Brewster for the courtesy of allowing me to compare my 

 speciniens with those in his valuable collection, and to Mr. Walter 

 Deane for much help in this study. 



CLASSIFIED LISTS OP SPECIES. 



NEW SUB8PECIE,S. 



Canachites canadensis osgoodi. Contopus richardsoni saturatus. 



Sayornis saya yukonensis. 



SPECIES NOT HITHERTO RECORDED FROM WESTERN NORTH AMERICA. 



Haliseetus albicilla. 



SPECIES NOT HITHERTO RECORDED FROM SOUTHEASTERN ALASKA. 



^chmophorus occidentalis. 



Xema sabinii. 



Lagopus leucurus. 



Picoides americanus alascensis. 



Contopus richardsoni saturatus. 



Empidonax hammondi. 

 Junco hyemalis connectens. 

 Sitta canadensis. 

 Merula migratoria. 



SPECIES NOT HITHERTO RECORDED FROM UNALASKA. 



Larus Philadelphia. 

 Tringa maculata. 



Tringa acuminata. 

 Loxia curvirostra minor. 



Larus Philadelphia 

 Tringa acuminata. 



SPECIES NOT HITHERTO RECORDED FROM THE PRIBILOF ISLANDS. 



? Arenaria melanocephala. 



SPECIES NOT HITHERTO RECORDED FROM ST. MICHAEL. 



Calidris arenaria. 



SPECIES NOT HITHERTO RECORDED FROM THE YUKON ABOVE FORT YUKON. 



Tringa bairdi. 



Symphemia semipalmata inornata. 



Buteo borealis calurus. 



Falco sparverius. 



? Megascops asio kennicotti. 



? Dryobates villosus hyloscopus. 



Contopus l)orealis. 



Contopus richardsoni saturatus. 



Empidonax trailli alnorum. 



Empidonax hammondi. 



Spinus pinus. 

 Spizella socialis arizonse. 

 Passerella iliaca. 

 Helminthophila peregrina. 

 Dendroica townsendi. 

 AVilsonia pusilla pileolata. 

 Sitta canadensis. 

 Hylocichla aonalaschkie. 

 Hylocichla aonalaschkte pallasi. 

 Saxicola oenanthe. 



Colymbus holboelli. 

 Colymbus auritus. 

 Gavia im])er. 

 Gavia arctica. 



LIST OF SPECIES KNOWN FROM THE YUKON BASIN. 



Gavia lumme. 



Stercorarius pomarinus. ' 

 Stercorarius parasiticus.^ 

 Stercorarius longieaudus.' 



^ Known only from Fort Yukon or below. 



