662 GEOLOGICAL SURVEY OF CANADA. 



to those it selects in the east. I traced it westward to Turtle 

 Mountain on the 49th parallel, but did not find it in the Rocky 

 Mountains. . {Coues.) An abundant summer resident of low 

 thickets in Manitoba, especially to the north. {Thompson-Seton.) 

 Common summer resident at Avenue, Manitoba ; arrives about 

 May 17th and leaves about September i8th. {Norman Criddle.) 

 This is a very common summer resident at Indian Head, Assa., 

 it was first seen June 2nd, 1892, and became common in a few 

 days, breeds in great numbers; first seen at Medicine Hat, Assa.. 

 on May 17th, 1894, common by the 20th; abundant in all thickets 

 at Medicine Hat, Crane Lake,' along Swift Current Creek, and in 

 the east end of the Cypress Hills in June, 1894; this bird was com- 

 mon wherever there was brush in Wood Mountain and on Rocky 

 Creek to the Boundary; 4 nests were found on Frenchman's River, 

 two in willow thickets and two in wolf willow (Elceagnus drgented) ; 

 it was a common species in all the ravines in the Cypress Hills and 

 in Milk River valley and wherever there was brush in southern 

 Alberta; first seen at Edmonton, Alta., May 25th, 1897, heard a 

 number of them singing next day, they soon became common and 

 began to breed ; common from Edmonton north to the McLeod 

 River in June, 1898; h^ard in the bushes at Deer Park, Columbia 

 River, B.C., June 6th, 1890; later in the month they were found 

 breeding in the valley of Pass Creek; near Robson; quite common 

 at Trail and Cascade, and in low bushes along small streams near 

 the 49th parallel in the summer of 1902; a common species at 

 Kamloops and Spence's Bridge, B.C., building in the thickets 

 along the Thompson River in June, 1889; only one individual 

 seen at Chilliwack, B.C., in June, 1901. {Spreadborough.) Un- 

 common at Prince Albert, Sask., several times heard in the 

 thickets but only once seen. {Coubeaux.) This species was not 

 observed further north than Lat. 54°. It was abundant around 

 Carlton on the Saskatchewan and bred in the willow thickets. 

 {Richardson.) Very common summer resident of the interior 

 of B.C. reaching the coast in reduced numbers. {Streator.) 

 Common east and west of the Coast Range; rare on Vancouver 

 Island; summer resident. (/^2«m>i.) Not abundant anywhere, 

 but very local in its distribution in British Columbia. {Rhoads.) 

 Tolerably common summer resident at Chilliwack, B.C.; and 

 breeding as far north up the Eraser River as Soda Creek, B.C. 

 {Brooks.) 



