Plate I
Williamson's Sapsucker Sphyrapicus thyroideus
(Figure on left, male; on right, female)

By LEANDER S. KEYSER

AUTHOR OF "IN BIRD LAND," ETC.

With Eight Full-page Plates (four in color)
by Louis Agassiz Fuertes; Many Illustrations
in the Text by Bruce Horsfall, and
Eight Views of Localities from Photographs

WITH A COMPLETE CHECK-LIST
OF COLORADO BIRDS

CHICAGO · A. C. McCLURG AND CO.
NINETEEN HUNDRED AND TWO

Copyright
A. C. McClurg & Co.
1902

Published September 27, 1902

TO
KATHERINE
AND
THE BOYS

IN MEMORY OF MANY HAPPY DAYS
BOTH INDOORS AND OUT