path of the annu- resemble snow. Such a hailstone has, therefore, lar eclipse, in which is situated the point O corre- a snowy nucleus without any inclosed air, and on sponding to the position shown in Fig. 3. The being melted under water will, of course, show no dotted line incloses the land area… … the temperature of evaporation-or the average wet- of nine feet (= 108 -inches) from the observer, sub- bulb ‘temperature prevailing in the lower thousand tends an angle which is equal to that subtended feet of air through which the hail. has rapidly fallen, by the-sun on: April 26, when the…
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