Mammals

Earth's Enigmas: A Volume of Stories

Palæontological Report of the Princeton Scientific Expedition of 1877

Natural History of the Mammalia of India and Ceylon

Stories of the Universe: Animal Life

Types of canoes on Puget Sound

Wild Animals of North America

A Scurry of Squirrels

The Petrified Man

A Study of Pueblo Pottery as Illustrative of Zuñi Culture Growth

Steel Traps

The Accomplished Muskrat Trapper: A Book on Trapping for Amateurs

Scenes and Adventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas

Notes and Letters on the Natural History of Norfolk

Natural History of the Ground Squirrels of California

The Biography of a Silver-Fox; or, Domino Reynard of Goldur Town

The Life Story of an Otter

The turtles, snakes, frogs and other reptiles and amphibians of New England and the north

The Trumpeter

The Wild Elephant and the Method of Capturing and Taming it in Ceylon

The Black Moose in Pennsylvania