20 SEPTEMBER 1913, page 19

Italy In North Africa.*

Mn. McCanna's book probably contains the truest estimate of the work and conduct of the Italian army in Libya that has been published in English. The author has written at his......

The Interpretation Of Radium.*

Tuonan radioactivity is by far the youngest of the sciences— having barely got into its teens—the time has now come when we can safely take stock of its results, especially when......