Color Key to North American Birds / with bibliographical appendix

by Frank M. Chapman

SYSTEMATIC TABLE

Of the Birds of America north of Mexico, arranged according

to the American Ornithologists' Union's 'Check-List

of North American Birds', Third Edition

1910, and Supplement [B], July, 1912.

(The presence of brackets, [ ], indicates that the species is an accidental visitant).

[B] The Auk, xxix, 1912, pp. 380-387.

[C] Note that trinomials are now employed for all the races of a species including the first one described. Hence in place of No. 13, Puffin, Fratercula arctica, we now have No. 13, Puffin, Fratercula arctica arctica. (See [pages 6 and 7] for an explanation of this method.)