Life Sciences

An Annotated Check List of the Mammals of Michoacán, México

Apes and Monkeys: Their Life and Language

The Last Link: Our Present Knowledge of the Descent of Man

Records of the Fossil Mammal Sinclairella, Family Apatemyidae, From the Chadronian and Orellan

Amphibians and Reptiles in Captivity

Comments on the Taxonomy and Geographic Distribution of Some North American Rodents

A Pictorial Atlas of Fossil Remains

The genetic and the operative evidence relating to secondary sexual characters

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

Coral and Coral Reefs

Evolution

Through Magic Glasses and Other Lectures

Studies on Fermentation. The diseases of beer, their causes, and the means of preventing them

Garden Ponds

Hobby Farms: Rabbits

Know your Freshwater Fishes

Eurypterids of the Devonian Holland Quarry Shale of Ohio

On the Tendency of Species to Form Varieties

The case against evolution

The Coal Measures Amphibia of North America