C 
Hy 
CBDEECABC DEFOE CD ree ee 
He 
eee || These records represent the song 
compass of individual singers 
and not the range of voice in the 
4! species, As some birds are likely 
1) '0 sing higher orlower than these 
particular ones, the species range 
Olis a trifle greater 
ACRAM SHOWING THE PITCH OF TWENTY ONE 
RD SONGS RELATIVELY WITH THE KEYBOARD. 
a 
D/ 
B/ 
XXX 
