Rocks & Minerals

Field Book of Common Rocks and Minerals For identifying the Rocks and Minerals of the United States and interpreting their Origins and Meanings

The Ornithosauria

Pleistocene Bats from San Josecito Cave, Nuevo Leon, Mexico

Extinct Monsters

The Ancestry of Modern Amphibia: A Review of the Evidence

Pearls and Pebbles; or, Notes of an Old Naturalist

The Outlaw

Walks and Talks in the Geological Field

Fragments of Earth Lore: Sketches & Addresses Geological and Geographical