On the occasion of the solar ecI{pse of August 21, 1914, a party of Italian scientists, of which the writer was a member, was organ-•zed by the Director-astronomer Prof. Ricco of Ca.tania, and went to Theodosia, Crimea, in the belt of totallty. Astronomical, spectroscopic and photographic observations on the celestial phenomenon were to be made, as well as by the writer various geophysical investigations allied with the occurrence of the eclipse. The scheme of work was planned to embrace

more »

... ometric, meteorological and magnetic observations, measures of the penetrating radiation, and records of temperature on the soil surface. But the princ{pal work proposed was properly the magnetic one, viz., that of registering the variations of the three magnetic ele-All these app!y• of course, to the epoch 1914.65. Rome, October 1917.