WOOD THRUSH, 
Zana 
J am kere. 
Then after that comes something like this, with the last 
note doubled: 
Sweetest singer 
which is immediately succeeded by a pretty relative 
phrase with a vibrating final note: 
ZASi 
Warbling cheerily. 
Still the singer continues, and in a burst of feeling rap- 
idly reels off the following: 
tt 
Tra-la-la-la -z-z-z| 
There is a harmonic overtone to nearly all the notes 
of the song, and frequently a strange and vibrant if not 
harsh tone succeeds the three-note group, thus: 
ZAANY 
It is difficult to explain the nature of a voice so pecul- 
iarly musical; undoubtedly the Thrushes possess ex- 
tremely short and extremely long vocal cords, and 
probably the latter are vibrated along with the former 
thus producing a singular effect of harmony. The rap- 
idly repeated resonant note which frequently completes 
a phrase has a distinct metallic ring which strongly re! 
2A1 
