The SciencesJanuary 17, 1914
The Ascent of Lava
The Propelling Force Due to Expanding Gases
Stories by Frank A. Perret
The SciencesMay 24, 1913
The Lava Fountains of Kilauea
Observations by Telephotography
The SciencesNovember 23, 1912
The Flashing Arcs
A Volcanic Phenomenon