Vol. IV., New Series.] FEB., 1901. [No. The Cambrian ■ ■ Natural Observerl A Quarterly Record of Natural Phenomena in Wales. Edited by ARTHUR MEE, F.R.A.S. Content* : Natural Science in the Principality. The Astronomical Society of Wales. tm~ Besides its circulation amongst the Associates and Members of til Astronomical Society of Wales, copies of the "Cambrian Naturl Observer" are supplied to the Public Libraries of Wales and Monmoutll shire, and to various Astronomical, Meteorological, and other Institutioi j at home and abroad. ANNUAL SUBSCRIPTION, 2/6. All Observations and Literary Hatter to be addressed—The Edito Tremynfa, Llanishen, Cardiff. All Subscriptions to Mr. Charles I\| Hensntan, Lloyd's Bank, Penarth.