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4 
586 GEOLOGICAL SURVEY OF CANADA. 
ina willow thicket at York Factory, July 16th, 1901, and the 
species was again noted near Pine Lake, September 13th and at 
Duck Point, Playgreen Lake, September 1gth. (4. A. Prebles.) 
Observed during the fall migration, in September, along the 
Mouse (Souris) River, where it was abundant. (Cowes.) Common 
summer resident in woodlands, in Manitoba; evidently breeding in 
the woods around Carberry. (Zhompson-Seton.) First seen at 
Avenue, Manitoba, on May 12th, 1903, was common on the 17th 
and disappeared on September 16th. A common breeding 
species. (Norman Criddle.) This is a rare summer migrant at 
Indian Head, Assa. It was first seen at Indian Head, May 
20th, 1892, and disappeared on the 25th; first seen at Medicine 
Hat, Assa., May oth, 1894, common by the 15th, and were 
all gone by the 20th. (Spreadborough.) North to Fort Reso- 
lution on Great Slave Lake; rare. (Ross.) This is one of the 
rarest warblers that breeds on the Anderson River where four or 
five nests were found containing from four to six eggs. The 
nests were made of hay or grasses, lined with deer hair, feathers 
and finer grasses, and were found on the ground in the shade of 
a clump of dwarf willow or Labrador tea. (Wacfarlane.) Through- 
out the wooded region of northern Alaska, from the British 
boundary line west to the shores of Behring Sea, and from the 
Alaskan range of mountains north within the Arctic Circle as far 
as the tree limit, this species is a summer resident. (/Velson.) 
Two individuals of this species were shot among the weeds sur- 
rounding the redoubt at St. Michael. They are not common as 
they were the only ones ever seen at that place. (Zurner.) Two 
specimens taken at Ducks were of this form. (Streator.) East 
and west of Coast Range; a summer resident. (fannin.) Tolerably 
common during the migrations at Chilliwack. A scarce sum- 
mer resident in the Cariboo district, of B.C. ; both old and young 
birds showed typical celata. (Brooks.) Five specimens from the 
interior of British Columbia are distinguishable from the coast 
form which does not appear to cross the Coast Range. (Rhoads.) 
Osgood took an adult male at Caribou Crossing, Lat. 60°, B.C., 
June 26th, 1899; I took a female and two young 20 miles below 
Fort Selkirk, July 27th, and a young one near Dawson, August 
2nd. Osgood secured an adult and a young one at Camp David- 
son, August 5th and another was seen near Fort Yukon, Alaska, 
August 21st; all taken were in willows or alders close to the water. 
