ORNITHOLOGICAL LXPLORATIONS. 



Tables of dimensions. 



1.— PAL^ARCTIC SPECIMENS (BETULARUM). 



A.— Winter specimens. 



255 



B.— Summer specimen. 



34 138 Sundevall Sweden, 62° latitude June 3, 1857 



cf ad. 



7.5 



10 



2.— NEAECTIC SPECIMENS. 



A.— WINTER SPECIMENS. 



39364 i B. R. Ross 

 6U970 I Schmidt .. 

 83404 ' MeiTill . . . 

 8C903 I Rosevelt . 

 88050 I Shufeldt . 



73303 Turner . . . 



08045 ' Beau 



83397 \ Boardman 



88399 Nelson 



823 

 1129 

 430 

 441 

 287 



Locality. 



Fort Simpson Apr. 26, 1860 



Green River, Wyo Oct. 10,1870 



Fort Shaw 



Garrison, N. Y 



Fort Laramie, Wyo . . 



Average 



Fort Yukon, Alaska . 



Fort Runj-on, Va 



New Brunswick 



Rhode Island 



Average 



Jan. 3, 1880 

 Jan. 16,1875 

 Nov. 6,1878 



Apr. 15, 1877 

 Feb. 19,1875 

 Jan. —,1879 

 Mar. — , 1875 



cf ad. 

 cf ad. 

 cf ad 

 cfad. 

 cf ad. 



?ad. 

 9 ad, 

 $ad. 

 9ad.| 



mm. 

 10 



a 



9 

 9 

 9 



9.0 



12 

 12 



11.7 



