TY - JOUR T1 - Spectroscopic Observations of the Sun.--No. III JF - Proceedings of the Royal Society of London (1854-1905) VL - 17 SP - 350 EP - 356 PY - 1868/01/01/ UR - http://dx.doi.org/10.1098/rspl.1868.0067 M3 - doi:10.1098/rspl.1868.0067 AU - Lockyer, J. ER -