May, 1922 MISCELLANEOUS BIRD NOTES FROM MONTANA 77 
feeding to a small tract not over forty feet across, and appeared not to visit 
or be visited by a mate. An effort was made to learn if the birds were in fact 
mated or that nesting had already begun, but no evidence of either was found. 
I believe that they were fresh from their winter quarters, that they had se- 
lected the general site for their nests and were awaiting the arrival of the 
females, after the manner of Red-winged Blackbirds and other species. This 
race arrives on the average at Columbia Falls, Montana, May 5, and at Aweme, 
Manitoba, May 7. 
The birds commonly procured their food from two to ten feet from the 
ground. They were not excessively active; in fact, for warblers, they were 
SONG-FORMS OF THE ORANGE-CROWNED AND LUTESCENT 
LERS. NUMBERS 1-4, ORANGE-CROWN; NUMBER 5, LUTESCENT 
LER. THE LAST TWO NOTES OF NUMBER 5 ARE GIVEN WITH AN APS 
CIABLE INTERVAL BETWEEN, 
fairly moderate in their movements. The song of one Orange-crown was stu- 
died carefully at short range. This bird had a single song subject to four 
variations, each including at least one trill. Each trill was on a single note, 
but one variation had two trills about four tones apart, and another had two 
trills on the same note separated by a iower note. The pitch was near that 
of the Nashville’s song, that is, at about the upper limit of the piano. For this 
type of song the trills were not given with excessive speed, but the number 
of notes in each could not be counted with certainty. All the notes appeared 
to have the same length, the whole having such an exceedingly simple arrange- 
ment that I am attempting to represent the four variations below, indicating, 
