A Controversy on Life
Two Great Biologists Differ
Features
The Bubonic Plague—II
Its Menace to the United States of America
Photographic Observation of Comet 1911 c(Brooks)
Discovering Utilities in Desert Crops
Wanted: A Patent System to Protect “New Agricultural Products”
A Thirty-ton Electric Traverser for Serving Annealing Furnaces
An Experimental Study of Vortex Motion in Liquids—II
Lord Kelvins's Smoke-ring Model of the Atom
A Chapter in Industrial Sanitation
Vacuum Cleaning Applied to Machinery in Textile Mills
Potash, Silica and Alumina from Feldspar
Electrolysis from Stray Currents—III
Damage Caused to Underground Structures
Phosphorus and its Compounds
Sinhalese Iron and Steel of Ancient Origin—I
Beginnings of the Iron Age
The Nature, Origin and Maintenance of Life
Inaugural Address of the President of the British Association for the Advancement of Science
