BIRDS OF THE WORLD, A popular account by Frank H. Knowlton, M.S., Ph.D., Member American Ornithologists Union, President Biological Society of Washington, etc., etc., with Chapter on Anatomy of Birds by Frederic A. Lucas, Chief Curator Brooklyn Museum of Arts and Sciences, and edited by Robert Ridgway, Curator of Birds, U. S. National Museum.
REPTILES AND BATRACHIANS, by Leonhard Stejneger, Curator of Reptiles, U. S. National Museum.
Section B. A Shorter Natural History, mainly by the Authors of Section A, preserving its popular character, its proportional treatment, and its authority so far as that can be preserved without its fullness. Size not yet determined.
II. CLASSIFICATION OF NATURE
1. Library Series, very full descriptions. 8vo. 7-1/2x10-1/4 in.
Already publisht:
NORTH AMERICAN TREES, by N. L. Britton, Director of the New York Botanical Garden. $7.00 net; carriage extra.
FERNS, by Campbell E. Waters, of Johns Hopkins University. 8vo, pp. xi+362. $3.00 net; by mail, $3.30.
2. Pocket Series, Identification Books—"How to Know," brief and in portable shape.
III. FUNCTIONS OF NATURE