TY - JOUR T1 - On the Microscopic Characters of Some Specimens of Devitrified Glass, with Notes on Certain Analogous Structures in Rocks JF - Proceedings of the Royal Society of London (1854-1905) VL - 39 SP - 87 EP - 107 PY - 1885/01/01/ UR - http://dx.doi.org/10.1098/rspl.1885.0007 M3 - doi:10.1098/rspl.1885.0007 AU - Herman, D. AU - Rutley, F. ER -