260 



ORNITHOLOGICAL EXPLORATIONS. 



List of specimens obtained. 



No. 92621. — Iris dark brown. Bill orange-yellow, culmen and tip of gonys blackish. Feet blackish 

 brown. 

 No. 92619.— Extremely fat. Teste.s swollen. Bill yellow, culmen and gonys horny browni-sh gray. 

 No. 92624.— Bill yellow, culmen and anterior half of gonys horny brown. 

 No. 92617. — Bill pale oranse-yellow, culraeu, tomia, and gouysdark brownish. 



Table of dimensions of specimens of A. exilipes from America. 

 A.— TYPICAL SPECIMENS FEOM THEMACKENZIE RIYER. 



B.— WINTER BIRDS FROM ALASKA. 



50000 

 50021 

 73315 

 70840 

 76846 



50004 

 70838 

 73310 



• Male type. 



Nnlato . 

 do. 



Fort Yukon 



Saint Michael's. 

 do 



Average 



Nulato 



do 



Fort Yukon . . 

 Average 



Feb. 10,1867 

 Feb. 5, 1867 

 Apr. 8,1877 

 Apr. 19, 1876 

 Apr. 19, 1876 



Feb. 11,1867 

 Mar. 8,1876 

 Mar. 3,1877 



d ad. 

 d ad. 

 d ad. 

 d ad. 

 d ad. 



? ad. 

 $ ad. 

 $ ad. 



6.5 

 6.5 

 6.3 

 6.5 



72 



60 



10 



10 



t Female tj^e. 



