Portfolio No. I.—Permanent Residents and Winter Visitants. 32 plates.
Portfolio No. II.—March and April Migrants. 34 plates.
Portfolio No. III.—May Migrants, Types of Birds' Eggs, and Nine Half-tone Plates showing Types of Birds' Nests from Photographs from Nature. 34 plates.
Price of Portfolios, each, $1.25; with the Manual, $2; the three Portfolios
with the Manual, $4.
HANDBOOK OF BIRDS OF EASTERN NORTH AMERICA
With Keys to the Species; Descriptions of their Plumages, Nests, etc.; their Distribution and Migrations. By Frank M. Chapman. With nearly 200 Illustrations. 12mo. Library Edition, cloth, $3; Pocket Edition, flexible morocco, $3.50.
"A book so free from technicalities as to be intelligible to a fourteen-year-old boy, and so convenient and full of original information as to be indispensable to the working ornithologist…. As a handbook of the birds of eastern North America it is bound to supersede all other works."—Science.
INSECT LIFE
By John Henry Comstock, Professor of Entomology in Cornell University. With Illustrations by Anna Botsford Comstock, member of the Society of American Wood Engravers. 12mo. Library Edition, cloth, $2.50; Teachers' and Students' Edition, $1.50.
FAMILIAR LIFE IN FIELD AND FOREST
By F. Schuyler Mathews. With many illustrations. 12mo. Cloth, $1.75.
Other Books by Mr. Mathews