LONDON: CHARLES GRIFFIN & CO., LIMITED, EXETER STREET, STRAND. * * * * * _GRIFFIN’S NAUTICAL SERIES._ Second Edition, _Revised and Illustrated. Price 3s. 6d._ NAVIGATION: PRACTICAL AND THEORETICAL. By DAVID WILSON-BARKER, R.N.R., F.R.S.E., &c., &c., AND WILLIAM ALLINGHAM, FIRST-CLASS HONOURS, NAVIGATION, SCIENCE AND ART DEPARTMENT. With Numerous Illustrations and Examination Questions. General Contents.--Definitions--Latitude and Longitude--Instruments of Navigation--Correction of Courses--Plane Sailing--Traverse Sailing--Day’s Work--Parallel Sailing--Middle Latitude Sailing-- Mercator’s Chart--Mercator Sailing--Current Sailing--Position by Bearings--Great Circle Sailing--The Tides--Questions--Appendix: Compass Error--Numerous Useful Hints, &c.--Index. “Precisely the kind of work required for the New Certificates of competency in grades from Second Mate to extra Master.... Candidates will find it INVALUABLE.”--_Dundee Advertiser._ “A CAPITAL LITTLE BOOK ... specially adapted to the New Examinations. The Authors are Capt. Wilson-barker (Captain- Superintendent of the Nautical College, H.M.S. ‘Worcester,’ who has had great experience in the highest problems of Navigation), and Mr. Allingham, a well-known writer on the Science of Navigation and Nautical Astronomy.”--_Shipping World._ * * * * * _Handsome Cloth. Fully Illustrated. Price 7s. 6d._ MARINE METEOROLOGY, FOR OFFICERS OF THE MERCHANT NAVY. By WILLIAM ALLINGHAM, Joint Author of “Navigation, Theoretical and Practical.” With numerous Plates, Maps, Diagrams, and Illustrations, and a facsimile Reproduction of a Page from an actual Meteorological Log-Book. SUMMARY OF CONTENTS. Introductory.--Instruments Used at Sea for Meteorological Purposes. --Meteorological Log-Books.--Atmospheric Pressure.--Air Temperatures.--Sea Temperatures.--Winds.--Wind Force Scales.-- History of the Law of Storms.--Hurricanes, Seasons, and Storm Tracks.--Solution of the Cyclone Problem.--Ocean Currents.-- Icebergs.--Synchronous Charts.--Dew, Mists, Fogs, and Haze.--Clouds. --Rain, Snow, and Hail.--Mirage, Rainbows, Coronas, Halos, and Meteors.--Lightning, Corposants, and Auroras.--Questions.--appendix. --Index. “Quite the BEST publication, AND certainly the MOST INTERESTING, on this subject ever presented to Nautical men.”--_Shipping Gazette._ =⁂= For Complete List of GRIFFIN’S NAUTICAL SERIES, see p. 39.