The Islands of the Pacific
Their Present State and Future Importance
Features
A World Language
“Ersatz” Fatal to Wild Animals
Canyon de Chelly of Arizona
A Monument of Pre-Historic America
Coke Formation
Concrete Ships Not Efficient Carriers
Paper-Making from Megass
How Plants and Animals Utilize Color
Pigments that Protect Living Matter against Radiation
Increasing Pressure by means of Electrolysis
Industrial Waste Products—Methods of Reclamation
Theory and Practice of Disinfection by Alcohol
Carbide Formation and Stability
Fishing by Machinery
How Salmon are Caught on our North-West Coast
Exposure Meters
Vermiform Appendix in the Wombat
Work Done by 1,500,000 Horses in France during the War
The Mentality of the War Prisoner
Hot Wire Anemometry
Its Principles and Applications
Electric Heater for use in the Analytical Distillation of Gasoline
Telescopic Eyepieces
Mortality Due to Snakes and Wild Animals in India
Sulphate of Copper Process
The Detection of “Ghosts” in Prisms—II
A Method of Developing Prisms Free from Undesirable Reflections
Photo-Chemical Reactions in Photography
Conservation of Men on our Railroads
Notes on Kite Flying
For Meteorological Observations
