TY - JOUR T1 - On the Relation between Tropical and Extra-Tropical Cyclones. JF - Proceedings of the Royal Society of London (1854-1905) VL - 42 SP - 138 EP - 141 PY - 1887/01/01/ UR - http://dx.doi.org/10.1098/rspl.1887.0025 M3 - doi:10.1098/rspl.1887.0025 AU - Abercromby, R. ER -