622 GEOLOGICAL SURVEY OF CANADA. 
at the southern end of Lake Marsh, north of Lat. 60°, in the 
Yukon district, July Ist, and I an adult female and a young female 
on the west shore of Lake Labarge, July 14th. This is a new 
species to the Yukon valley. (Séshop.) Two specimens taken 
respectively in Kenai Mountains, Alaska, August 14th, and at 
Sheep Creek, August 17th, considerably extend the range of this 
species to the westward. (Chapman.) 
MUSEUM SPECIMENS. 
Fourteen; one taken at Revelstoke, B.C., May 23rd, 1890; two 
at Huntington, B:C;, in June, 1901; eleven) at Victoria, Van- 
couver Island, April and May, 1893, all by Mr. W. Spreadborough. 
669. Hermit Warbler. 
Dendroica occidentalis (TOWNS.) BAIRD. 1858. 
A summer resident, chiefly west of the Coast Range in British 
Columbia. (Fannin.) We have no other record of this species 
and yet we have looked for it every season. 
670. Kirtland’s Warbler. 
Dendroica kirtlandt BAIRD. 1858. 
This is said to be the only warbler occurring in North America of 
which the nest and eggs are unknown; and prior to the past 
spring (1900) the appearance of this bird in Canada has not been 
recorded as far as I have been able to ascertain. My notes areas 
follows: ‘“ 16th May, I9g00, 5.30 a.m., morning dull; east wind, 
warblers, &c., plentiful. After a while I was attracted to the 
centre of a cluster or tall willow trees by notes—strong, clear 
and with quite a musical ring—and as the song, short but remark- 
ably pretty was quite new to me I approached carefully under 
cover of a tree trunk and found myself within a few feet of my 
new acquaintance, for such it proved to be. While watching 
the bird with my field glass I noticed a tendency to jerk his tail 
slightly, and not like the ostentatious jerk of a water thrush, but 
more after the nervous manner I have seen adopted in fall by 
Wilsonia pusilla. As soon as the bird observed me he darted into 
another tree, hiding behind a branch, but, curiously enough, still 
singing. I approached under cover and on taking the bird found 
I had been fortunate enough to secure a specimen of D. kirtlan it 
in good plumage. On stepping the distance from the tree where 
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