TY - JOUR T1 - On a Second Case of the Occurrence of Silver in Volcanic Dust, Namely, in That Thrown out in the Eruption of Tunguragua in the Andes of Ecuador, January 11th, 1886 JF - Proceedings of the Royal Society of London (1854-1905) VL - 47 SP - 276 EP - 281 PY - 1889/01/01/ UR - http://dx.doi.org/10.1098/rspl.1889.0091 M3 - doi:10.1098/rspl.1889.0091 AU - Mallet, J. ER -