Rocks & Minerals

Texas Rocks and Minerals

Links With the Past in the Plant World

The Ornithosauria

Pleistocene Bats from San Josecito Cave, Nuevo Leon, Mexico

Extinct Monsters

The Ancestry of Modern Amphibia: A Review of the Evidence

Mountain

My Attainment of the Pole

The Frozen North

The Coal Measures Amphibia of North America

Introduction to the Study of Palæontological Botany

Researches on the Visual Organs of the Trilobites

Relics of Primeval Life: Beginning of Life in the Dawn of Geological Time

Water Reptiles of the Past and Present

Rocks and Their Origins

A Boy's-Eye View of the Arctic

Cave Hunting

The Rise and Progress of Palaeontology

The Geologic Story of Glacier National Park

Deserts: Geology and Resources