16. 
Ve 
18. 
19, 
20. 
21, 
22, 
23. 
25. 
. flavescens, Lawr. 
GENERA AND SPECINS OF BIRDS, 
bairdi, Sel. (p. 230.) 
[oceidentalis, Nelson, Auk, 1897, p. 53. 
Cf. Nelson, Auk, 1900, p. 264.] 
cineritius, Brewst., Auk, 1888, p. 90. 
insulicola, Overh., Auk, 1897, p. 300. 
perplexus, Nelson, Auk, 1900, p. 263. 
pulverius, Brewst., Auk, 1889, p. 86. 
flaviventris (Baird). (p. 230.) 
(Cf. Coues, Auk, 1897, p. 218.] 
difficilis, Baird. (p. 229.) 
(p. 231.) 
salvini, Ridgw. 
(p. 231.) 
hammondi (De Vesey). (p. 232.) 
S. Mexico. 
Lower California, 
Santa Barbara Isl, 
California. 
Mexico 
(Oaxaca). 
Mexico 
(Sonora, 
Chihuahua). 
8, Greenland 
(casual), 
E. & C. N. America. 
C. America 
(Mexico to 
Panama, winter). 
W.N. America. 
C, America 
(Guatemala. 
? Honduras). 
C. America 
(Costa Rica to 
Panama). 
W.N. America, 
from Alaska 
to Mexico 
and Guatemala. 
139 
