Animals

The 10 Most Dangerous Snakes in the United States and Canada

The Eastern Diamondback Rattlesnake

The Inland Taipan

The World's Strangest Animals

Monsters in the Night

Sharks & Underwater Monsters

100 Great Wildlife Experiences

Brown Wolf and Other Jack London Stories

Life's Dawn on Earth

Killing for Sport

Jelly-Fish, Star-Fish, and Sea-Urchins: Being a Research on Primitive Nervous Systems

Fossils: A Story of the Rocks and Their Record of Prehistoric Life Denver Museum of Natural History, Popular Series No. 3

Fossil Butterflies

Hampshire Days

Prehistoric Men

The Egyptian Cobra

New Pacific Coast Cynipidæ (Hymenoptera)

A Short History of the Academy of Natural Sciences of Philadelphia

How to Keep Bees

The Trumpeter