Eldorado County, Calif., May 14, 1913

O. F. Heinman (Courtesy The Condor and M. S. Ray)

Yates County, N. Y., June 1915

C. F. Stone

Hermit Warbler’s Nest (upper) and Cerulean Warbler (lower)

PLATE 40

Cass County, Minn., June 22, 1929