985 



teaching of Science in Elementary Schools ; — Keport of the Committee for deter- 

 mining a Gauge for the manufacture of the various small Screws used in Telegraphic 

 and Electrical Apparatus, in Clockwork, and for other analogous purposes ;— Report 

 on Patent Legislation ; — Report of the Committee for defining the Facial Charac- 

 teristics of the Races and Principal Crosses in the British Isles, and obtaining 

 Illustrative Photographs with a view to their publication ;— Report on the present 

 state of our knowledge of Spectrum Analysis ; — Report of the Committee for pre- 

 paring a new series of Wave-length Tables of the Spectra of the Elements ;— On the 

 Connection between Sunspots and Terrestrial Phenomena; — On the Seat of the 

 Electromotive Forces in the Voltaic Cell ;— On the Archaean Rocks of Great Britain ; 

 — On the Concordance of the Mollusca inhabiting both sides of the North Atlantic 

 and the intermediate Seas ; — On the Characteristics of the North American Flora ; — 

 On the Theory of the Steam Engine ; — Improvements in Coast Signals, with Supple- 

 mentary Remarks on the New Eddystone Lighthouse ; — On American Permanent 

 Way. 



Together with the Transactions of the Sections, Lord Rayleigh's Address, and 

 Recommendations of the Association and its Committees. 



REPORT OF THE FIFTY-FIFTH MEETING, at Aberdeen, Sep- 

 tember 1885, Published at £1 4s. 



Contents : — Report of the Committee for constructing and issuing practical 

 Standards for use in Electrical Measurements ; — Report of the Committee for pro- 

 moting Tidal Observations in Canada ;— Fifth Report on Meteoric Dust ;— Third 

 Report on the Harmonic Analysis of Tidal Observations ;— Report of the Committee 

 for co-operating with the Meteorological Society of the Mauritius in their proposed 

 publication of Daily Synoptic Charts of the Indian Ocean from the year 1861 ;— 

 Report of the Committee for reducing and tabulating the Tidal Observations in the 

 English Channel, made with the Dover Tide-gauge, and for connecting them with 

 Observations made on the French Coast ; — Report on Standards of White Light ; — 

 Report of the Committee for co-operating with Mr. E. J. Lowe in his project of 

 establishing a Meteorological Observatory near Chepstow on a permanent and 

 scientific basis ;— Report on the best means of Comparing and Reducing Magnetic 

 Observations ;— Report of the Committee for co-operating with the Scottish Meteoro- 

 logical Society in making Meteorological Observations on Ben Nevis;— Seventeenth 

 Report on Underground Temperature ; — Report on Electrical Theories ; — Second 

 Report of the Committee for considering the best methods of recording the direct 

 intensity of Solar Radiation ; — Report on Optical Theories ;— Report of the Committee 

 for investigating certain Physical Constants of Solution, especially the Expansion of 

 Saline Solutions; — Third Report on Chemical Nomenclature ; — Report of the Commit- 

 tee for the Investigation by means of Photography of the Ultra- Violet Spark Spectra 

 emitted by Metallic Elements and their Combinations under varying conditions; — 

 Report of the Committee for investigating the subject of Vapour Pressures and 

 Refractive Indices of Salt Solutions ; — Report of the Committee for preparing a new 

 series of Wave-length Tables of the Spectra of the Elements and Compounds; — 

 Thirteenth Report on the Erratic Blocks of England, Wales, and Ireland ; — Third 

 Report on the Fossil Phyllopoda of the Palaeozoic Rocks; — Fifth Report on the 

 Earthquake Phenomena of Japan ; — Eleventh Report on the Circulation of Under- 

 ground Waters in the Permeable Formations of England and Wales, and the 

 Quantity and Character of the Water supplied to various Towns and Districts from 

 these Formations ; — Report on the Volcanic Phenomena of Vesuvius ; — Report on the 

 Fossil Plants of the Tertiary and Secondary Beds of the United Kingdom ; — Report on 

 the Rate of Erosion of the Sea^-coasts of England and Wales, and the Influence of the 

 Artificial Abstraction of Shingle or other material in that action ; — Report on the occu- 

 pation of a Table at the Zoological Station at Naples ; — Report of the Committee for 

 promoting the Establishment of a Marine Biological Station at Granton, Scotland ; — 

 Report on the Aid given by the Dominion Government and the Government of the 

 United States to the Encouragement of Fisheries, and to the Investigation of the va- 

 rious forms of Marine Life on the coasts and rivers of North America ; — Report of 

 the Committee for promoting the Establishment of Marine Biological Stations on the 

 coast of the United Kingdom; — Report on recent Polyzoa; — Third Report on the 

 Exploration of Kilima-njaro and the adjoining mountains of Equatorial Africa; — 

 Report on the Migration of Birds ;— Report of the Committee for furthering the 



1888. 3 s 



