The Naturalists' Universal Directory

Agric Algæ Anat Animal Anth Arch Assoc Asst Biol Birds Bldg Boston Botany Brooklyn Bureau of Ent Butterflies Calif Charles Chas Chem Chicago Coleopt Coleoptera Coll College Colo Conn Cornell Univ Diptera East Ecol Econ Entomologist Expr Ferns Fishes flowering plants Forest Forestry Fossils Frank Fungi Geog Geol George Hemiptera Henry Hist Histol Indian Relics Insects Inst Iowa Ithaca John Kans Lepid Louis Madison Mammals Mass Minn Miss Museum N. Y. Bot N. Y. Ent N. Y. Orn Nature Study Odonata Ohio Orthoptera Ottawa P. O. Box Palaeo Park Ph.D Philadelphia Photog Phys Plant Pathol Prof Protozoa Rochester sell Tenn Toronto U. S. Dept U. S. Geol U. S. Nat Urbana Vert Wash Washington West York City Zool