TY - JOUR T1 - [Report of the Royal Society] JF - Proceedings of the Royal Society of London (1854-1905) VL - 7 SP - 616 EP - 617 PY - 1854/01/01/ UR - http://dx.doi.org/10.1098/rspl.1854.0128 M3 - doi:10.1098/rspl.1854.0128 ER -