ORDER PASSERES. 309 
737. Parus meridionalis Sct. 
Mexican Chickadee. 
Parus meridionalis Sci. P. Z. S. 1856, 293. 
[B 292, C—, R 43, C 879.] 
Groc. Dist.— Mountains of Mexico, from Orizaba north to south- 
ern Arizona. 
738. Parus gambeli Rivew. 
Mountain Chickadee. 
Parus gambeli Rrpew. in A. O. U. Check-List, 1886, 335. 
LB 294), C) 32) Rigo. C48] 
Geroc. Dist.— Mountainous parts of the western United States, 
from the eastern base of the Rocky Mountains to the Sierra Nevada, 
north to British Columbia, Idaho, etc., and south to northern Lower 
California. 
739. Parus cinctus obtectus (Cap.). 
Siberian Chickadee. 
Parus (Pecila) obtectus Cas. J. f. O. 1871, 237. 
Parus cinctus obtectus Ripcw. Pr. U.S. Nat. Mus. VIII. 1885, 354. 
[B—, C—, R 44, C 52.] 
Geoc. Dist.— Northern Alaska and eastern Siberia. 
740. Parus hudsonicus Forst. 
Hudsonian Chickadee. 
Parus hudsonicus Forst. Phil. Trans. LXII. 1772, 383, 430. 
[B 296, C 33, R 45, C 49.] 
Geroc. Dist.— Northern North America, from the more elevated 
parts of the northern United States (northern New England, north- 
ern New York, northern Michigan, etc.) northward. 
740 a. Parus hudsonicus stoneyi (Ripew.). 
Kowak Chickadee. 
Parus stoneyt RipGw. Man. N. Am. B. Aug. 1887, 591. 
Parus hudsonicus stoneyi A. O. U. Check-List, rst Suppl. 1889, 17. 
