Life and Light
The Process By Which Living Organisms Produce Light
Features
Cosmology among Natives of South Africa
A Silky Eater of Ants
A Tiny Animal of Exclusive Tastes And Peculiar Habits
How Fishes Were Named
Twilight Phenomena
The Ferro-Alloys
A Brief Description of their Manufacture, Properties and Uses
Weed Destruction in Sugarcane Fields
The Influenza Epidemic
A Visit to the British Front in September
Condition of Cities in Northern France on Enemy's Final Retirement
Reinforced Metals
Food Shortage and High Prices
The Animus of German Scientific Men
Pneumonia as a Public Health Problem
Scientific Plant Breeding
A New Method of Separating Slate from Coal
That Promises Important Economies
Naming Mountains in India
Meteorology in Relation to Aeronautics—I
A Review of the Data Required by an Aviator When in the Air
