Life Sciences

Australasian Fossils: A Students' Manual of Palaeontology

Mental Radio

On the Continuity of Effect of Light and Electric Radiation on Matter

Selenium cells

The Other Side of Evolution: Its Effects and Fallacy

The micro-organisms of the soil

The Riddle of the Universe at the close of the nineteenth century

Pennsylvanian invertebrates of the Mazon Creek Area, Illinois: Eurypterida

The Coal Measures Amphibia of North America

Biology versus Theology

Geographic Variation in the North American Cyprinid Fish, Hybopsis gracilis

The Genetic Effects of Radiation

New Species and Synonymy of American Cynipidæ

Phrenology Examined

Explanation of Terms Used in Entomology

On Electric Touch and the Molecular Changes produced in Matter by Electric Waves

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

Man's Place in the Universe A Study of the Results of Scientific Research in Relation to the Unity or Plurality of Worlds, 3rd Edition

Alcoholic Fermentation Second Edition, 1914

On the Tendency of Species to Form Varieties