432 THEOUGH THE MACKENZIE BASIN 



bush, and the specimens were later forwarded to Mr. 

 Dalgleish. In the Anderson River region this species was 

 present in considerable nnmbere, so that upward of two hun- 

 dred nests were secured by us. The bulk of them were built 

 on trees, and the balance on the ground. One nest was found 

 as far east as the Wilmot Horton Eiver. Common at old 

 Fort Yukon, Alaska, where ' many years ago Mr. K. 

 Kennioott and Chief Trader Lockhart secured specimens. 



Mr. Eaine states : " I have nests with sets taken in the 

 Mackenzie delta by the Eev. Mr. (now Bishop) Stringer 

 and Mr. Young. Mr. Stringer found a nest with three eggs 

 sixty miles north of Point .Separation, Mackenzie River, on 

 June 12th, 1'896. The nest was in a birch tree, two feet 

 from the ground. The nest is a deep cup-shaped structure 

 of dry grass and mud. I have another nest with eggs that 

 was built three feet from the ground in a willow growing on 

 the banks of Peel's Eiver. This was taken June 23rd, 1898. 

 Another nest and three eggs were found by Mr. Stringer at 

 the terminus of the Caribou Hills, Mackenzie delta, June 

 16th, 1897." In colour the eggs of this species are bluish- 

 green and but very lightly spotted. 



There are in the Ottawa Museum but two skins, taken 

 by . Mr. Spreadborough at "Old Wives Creek," -Prov- 

 ince of Saskatchewan, in May, 1895, and one set of three 

 eggs taken at Whale Eiver, James Bay, Hudson Bay, in 

 June, 1896, by Mr. George Bouchier! 



758a. Olive-backed Theush — Hylocichla ustulata swain- 

 sonii (Cabinis). 



Two or three nests of this thrush, containing from one 

 ■ to four ^gs each, were found on bushes near Fort St. James, 

 B.C., towards the end of June, 1889, and they were duly 

 identified as such at Washington. Four nests with eggs 

 were secured by Mr. McKay at Pelican Narrows early in 

 June, 1891. Two of these were built on willow bushes and 

 the others in small cavities on the ground. One or two of 



