FAMILY 



*7)j(> higher tones of this Thrush dre, //'See 

 those qfthe Wood Thrush, dfwdedly fyd 



cres. f p dccel. &f 



jWf trifs a higher key ds he advances, dndjindUy goes to pieces in 



the high register ds dbovet 



There are two ways of presenting the Olive-back's song, 

 either of which is correct; there is a very slight overtone 

 to the notes, and each one of the groups is rather closely 

 connected with the next; therefore my following nota- 

 tion taken of a song heard in the Franconia Mountains, 

 in June, need not be considered essentially different 

 from the previous notations obtained in another locality 

 nearly a month later. 



tfllegro. 



Again, the next is a memorandum taken near Arlington 

 Heights, Mass., where, on May 23d, the bird sang while 

 on his way to his home in the spruce forest far in the 

 north. 



