TY - JOUR T1 - Microscopical Researches in High Power Definition. JF - Proceedings of the Royal Society of London (1854-1905) VL - 29 SP - 164 EP - 166 PY - 1879/01/01/ UR - http://dx.doi.org/10.1098/rspl.1879.0026 M3 - doi:10.1098/rspl.1879.0026 AU - Royston-Pigott, G. ER -