27. co ron a ta (Linn.), (p. 311.)
(Ridgw. t. c. p. 546.)
[hooveri, McGregor, Bull. Cooper, Orn. Club,
i. p. 32,1899.]
Greenland (acc.).
N. America, generally.
S. United States (winter).
Bahamas (winter).
Greater Antilles (winter).
Central America
(Mexico to Panama).
N.E. Siberia
(Tschuktschi
Peninsula).
28. au d u b on i (Towns.), (p. 315.)
(Ridgw. t. c. p. 551.)
W. N. America.
Lower California (winter).
C. America
(Highlands of Mexico
and Guatemala :
winter).
29. nigrifrons, Brewster, Auk, 1889, p. 94.
(Ridgw. t. c. p. 555.)
Mts. of S. Arizona.
W. Mexico
(Chihuahua to
Durango).
30. goldmani, Nelson, Auk, 1897, p. 66.
(Ridgw. t. c. p. 556.)
Highlands of
W. Guatemala.
31. n ig r e sc en s (Towns.), (p. 291.)
(Ridgw. t. c. p. 556.)
W. United States.
Mexico (winter)..
32. tow n s en d i (Towns.), (p. 299.)
(Ridgw. t. c. p. 559.)
W. N. America
(Alaska to N.W. Idaho).
W. & C. Mexico
to Guatemala (winter).
33. v ir e n s (Gm.). (p. 297.) S. Greenland (acc.).
(Ridgw. i.e. p. 562.) E. N. America.
Bahamas (winter).
Greater Antilles (winter).
C. America
(E. Mexico to
Panama, winter).
34. chry sopa r ia , Sol. $ Salv. (p. 295.)
(Ridgw. i.e. p. 565.)
Texas.
E. Mexico to
Guatemala
(winter).
35. o c c id en ta lis (Towns), (p. 293.)
(Ridgw. t. c. p. 567.)
W. N. America
(British Columbia
to California).
Lower California (winter).
0. Mexico to
Guatemala (winter).
36. cærulea, Wilson, (p. 327.)
[rara, (Wils.).-' Of. Ridgw. t. c. p. 570.]
[Cf. A. O. U. Comm., Auk, xxi. p. 416;
(1904).]
E. United States.
E. Mexico to
Panama (winter).
Colombia, Ecuador,
Bolivia, Peru
. (winter).
37. b la ck b u rn iæ (Gm), (p. 288.)
(Ridgw. t. c. p. 574.)
E. United States.
S. Canada.
Bahama Is.
C. America (winter :
E. Mexico to Panama).
Colombia, Ecuador,
Venezuela, Peru
(winter).
38. dom inica (Linn). (p. 301.)
(Ridgw. t. c. p. 578.)
E. United States
(New England States
to Florida).
Bahamas (winter).
Greater Antilles
' (winter).
39. albilora, Bidgw. (p. 301, pt.)
(Ridgw. t. o. p. 582.)
Mississippi Valley.
C. America (winter :
Mexico to
Honduras and
E. Nicaragua).