Bird Music in South America. 147 
warbler resembles that of the song-thrush. I do 
think that the thrush’s song often resembles that 
of the mocking-bird referred to, also that it would 
PT 
Calandria’mocking-bird, 
scarcely be an exaggeration to say that all the music 
of the song-thrush might be taken out of the 
L 2 
