TY - JOUR T1 - On a Collection of Rock Specimens from Socotra. JF - Proceedings of the Royal Society of London (1854-1905) VL - 34 SP - 145 EP - 148 PY - 1882/01/01/ UR - http://dx.doi.org/10.1098/rspl.1882.0027 M3 - doi:10.1098/rspl.1882.0027 AU - Bonney, T. ER -