ROBERT H. SCOTT, M.A., F.R.S. SECRETARY TO THE METEOROLOGICAL COUNCIL WITH NUMEROUS ILLUSTRATIONS THIRD EDITION, REVISED AND ENLARGED cx LONDON LONGMANS, GREEN AND CO. AND NEW YORK: 15 EAST 16th STREET 1887 All rights reserved PREFACE TO THE THIRD EDITION. THE second edition of this book having been long out of print, I have been requested by several friends to prepare a new edition. The entire text has been revised, and some new chapters have been added, mainly relating to changes and improvements in the Office weather work since the year 1876. The subjects of the new chapters are, the Distribution and Periodicity of Gales, Weather Forecasting, the Weekly Weather Report, and lastly, Cirrus Cloud Observations. The subject of 'Suggestions for Improvement,' formerly included under 'Storm Warnings,' has been made a separate chapter. The chapter on the Weekly Weather Report contains an account of the |