62 BULLETIN 130, UNITED STATES NATIONAL MUSEUM 



central California (west slope of Sierra Nevada Mountains) and 

 Washington (Cascade and Selkirk Mountains) and the mountain 

 regions of British Columbia, and Alaska (Sitka region, Sanakh 

 Island, etc.). Westward throughout the Aleutian, Commander, and 

 Kurile Islands. Probably on St. Matthew and St. Lawrence Islands. 

 West in Siberia to Lake Baikal and the Lena Eiver and east to 

 Kamchatka and northeastern Siberia (Providence Bay, Marcova, 

 etc.). North in summer and probably breeding to the Arctic coasts 

 of Alaska (Barter Island) and Canada (Mackenzie Bay). 



Winter range. — Mainly on the seacoasts, but also on inland waters, 

 not far from the southern parts of its breeding range. Winters 

 sparingly in its Rocky Mountain breeding range; other interior 

 records are regarded as casuals. On the Pacific coast south to cen- 

 tral California (Monterey Bay) and north to the Aleutian and 

 Pribilof Islands. On the Asiatic side from the Commander Islands 

 south to Japan. 



SpHng migration. — First arrivals reached Fort Simpson, Macken- 

 zie, on May 25, 1904. Usually arrives at the mouth of the Yukon, 

 Alaska, about June 1. A late date for Pierce County, Washington 

 is June 5, 1915. 



Fall Tnigration. — Early dates of arrival: Washington, Kitsap 

 County, September 10; California, San Louis Obispo County, Octo- 

 ber 8. 



Casual records. — Rare or accidental in the interior as far south as 

 Nebraska (Omaha, September 16, 1893 and 19, 1895) and Missouri 

 (St. Louis, October 29, and Montgomery County, March 21, 1897). 



Egg dates. — ^Alaska: Four records, June 13 to July 1. Macken- 

 zie Bay: One record, June 20. Montana: One record, June 10. 

 Washington: One record, May 7. 



CAMPTORHYNCHUS LABRADORIUS (Gmelin) 

 LABRADOR DUCK 



HABITS 



What little there is known about the life history of this extinct 

 species has already been published and repeatedly quoted by various 

 writers. Probably nothing more of importance will ever be learned 

 about its former abundance or its habits. It is doubtful if any more 

 specimens will ever be brought to light. Therefore, in writing this 

 obituary notice, it is necessary only to compile what has already 

 been written in order to make its life history as nearly complete as 

 possible. 



Nesting. — It is supposed to have bred, formerly, from the south 

 coast of Labrador northward, but there is very little positive evi- 

 dence on which to substantiate even this indefinite statement and 



