Ad. 
A. Y. 
B. 
B. from N. 
9 
a 
Im. 
L. 
P. R. 
S. R. 
T. 
Tar. 
T. Y. 
W. 
W. V. 
LIST OF ABBREVIATIONS 
Adult; a fully matured bird. 
Accidental visitant (see page 33). 
Bill. 
Bill from nostril. 
The sign employed to designate female sex (see page 20). 
The sign employed to designate male sex (see page 20) . 
Immature; the term is generally applied to birds less 
than a year old, or to those in first winter plumage. 
Total length. 
Permanent resident (see page 32). 
Summer resident (see page 32). 
Tail. 
Tarsus= Metatarsus. 
Transient visitant (see page 33). 
Wing. 
Winter visitant (see page 33). 
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