A History of North American Birds; Land Birds; Vol. 1 of 3

by Spencer Fullerton Baird; T. M. Brewer; Robert Ridgway

3. Sialia sialis, Baird. D. C., 28245.

4. Sialia arctica, Sw. Rocky Mts., 18319.

5. Phyllopneuste borealis, Alaska, 45909.