BLACK-=THROATED GREEN WARBLER. 
ever, is the only difference between the two bits of 
melody: 
Lar-board watch¥a-hoy! 
Then, again, I have an excellent song from Campton 
which suggests the one that the gastronomic observer 
set to strange, unbirdlike sentiments! 
Cheese, cheese, a little more cheese! 
Perhaps there is a syllable wanting, but I find the Black- 
throated Green is not at all particular about syllables; 
in fact, he is not half so particular in observing them as 
the bird student is in limiting him to a certain number, 
for on May 6,1902, at ten o’clock in the morning, I heard 
him singing amid the thick branches of a Norway spruce 
on the grounds of the Harvard Astronomical Observatory 
in Cambridge, this next sarcastic refrain, in more syl- 
lables than the law allowed! All but the music was 
imagination, but why did such an unusual song fit such 
significant words, in precisely this situation? j 
eres. off 
Sweeping skies witha spy-glass! 
Evidently the Black-throated Green is not inclined to 
confine himself to one strict form either of time or 
melody. Besides the foregoing records, here are a 
sufficient number of others to prove the fact. Not in- 
frequently he burrs the first two notes and clearly 
whistles the others, thus reversing his usual custom: 
Wixaces nnrw cres. $0 
193 
