BIRDS OF NOETH AND MIDDLE AMEBICA. 



73 



tipped with pink; wings and tail dusky, the lesser and middle wing- 

 coverts broadly tipped with pink, the greater coverts, primary coverts, 

 and remiges edged with the same; rectrices edged with pale grayish 

 or grayish white, usually more or less tinged with pink; bill entirely 

 black; legs and feet black. 



Adult male in winter. — Similar to the summer male, but bill yel- 

 lowish, tipped with dusk}'-, the pink markings of a softer hue, and 

 feathers of breast, etc. , narrowly margined with paler. 



Adult female. — Quite similar in coloration to the male, with the 

 same seasonal differences; possiblj^, but very doubtfuU}'', averaging a 

 very little duller in colors.^ 



Young. — Uniform grayish brown, more or less washed with a more 

 umber tint; wings and tail dusky slate, the feathers margined with 

 paler; edges of greater wing-coverts and tertials dull buflfy; no trace 

 of pink on tail-coverts, etc. , nor of gray or black on head. 



AdxAtmale.—L&xig'Ca. (skins), 177.80-213.36 (195.07); wing, 111.76- 

 124.21 (118.36); tail, 72.64-85.09 (80.26); exposed culmen, 13.46-15.2i 

 (14.22); depth of bill at base, 8.89-10.67 (9.91); tarsus, 23.37-25.40 

 (24.13); middle toe, 16.51-19.81 (18.03).' 



Admit female.— l^ii^gih. (skins), 182.88-198.12 (190.25); wing, 109.22- 

 123.70 (114.30); tail, 73.66-82.04 (77.22); exposed culmen, 13.21-15.24 

 (14.48); depth of bill at base, 9.40-10.67 (9.91); tarsus, 23.11-25.65 

 <24.38); middle toe, 17.27-19.81 (18.03).' 



Breeding, and resident, on islands of Bering Sea (St. Matthews 

 Island, Otter Island, Pribilofs, Aleutians, Commander group,), Shu- 



^ This statement is of course based upon the material which I have been able to 

 examine, and if incorrect many specimens have been wrongly determined as to sex. 



^ Twenty-one specimens. 

 • ' Eleven specimens. 



Series from different localities average as follows: 



Locality. 



Wing. 



Ex- 

 posed 

 culmen. 



Depth 



ot bill 



at base. 



Tarsus. 



Middle 

 toe. 



MALE. 



Eight specimens from Pribilof Islands and Otter 

 Island , 



Ten specimens from Aleutian Islands (Unalashka 

 to Adakh Island) 



Three specimens from Commander Islands (Kam- 

 chatka) 



FEMALE. 



Six specimens from Pribilofs and Otter Island , 



Three specimens from Aleutians (Attu and Kyska 



islands) , 



Two specimens from Commander Islands (Copper 



Islandj 



117.86 

 117. 60 

 121. 92 



113. 28 

 112. 78 

 119. 13 



81.28 

 78.49 

 83.06 



78.23 

 74. 42 

 77.72 



14.48 

 14.22 

 33.97 



14.48 

 14.22 

 14.73 



9.91 

 9.65 

 10.67 



9.65 

 10.16 

 10.67 



24.38 

 24.13 

 25.15 



24.13 

 24.64 

 25.15 



18.03 

 18.03 

 18.80 



17.78 

 18.28 

 19.05 



