TY - JOUR T1 - On the Organization of the Fossil Plants of the Coal-Measures. Part X. Including an Examination of the Supposed Radiolarians of the Carboniferous Rocks JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 171 SP - 493 EP - 539 PY - 1880/01/01/ UR - http://dx.doi.org/10.1098/rstl.1880.0014 M3 - doi:10.1098/rstl.1880.0014 AU - Williamson, W. ER -