TY - JOUR T1 - Addition to the Paper, Volcanic Energy: An Attempt to Develop Its True Origin and Cosmical Relations. JF - Proceedings of the Royal Society of London (1854-1905) VL - 22 SP - 328 EP - 329 PY - 1873/01/01/ UR - http://dx.doi.org/10.1098/rspl.1873.0054 M3 - doi:10.1098/rspl.1873.0054 AU - Mallet, R. ER -