970 



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

 tember 1885, Puhlished 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 Cliarts 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 witli ]\Ir. 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- 

 loo-ical 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 imder 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 Paljeozoic 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 supjilied to various Towns and Districts from 

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

 Fossil Plants of tlie Tertiary and Sicondary 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 Ex- 

 ploration of New Guinea by making a grant to Mr. Forbes for the purposes of his 

 Expedition ; — Report of the Committee for furthering the Scientific Examination of 

 the country in the vicinity of Mount Roraima in Guiana by making a grant to Mr. 

 Everard F. im Thurn for the purposes of his Expedition ; — Report of the Committee 

 for promoting the Survey of Palestine; — Report on the Teaching of Science in Ele- 

 mentary Schools ; — Report on Patent Legislation ; — Report of the Committee for 

 investigating and publishing reports on the phj'sical characters, languages, and 

 industrial and social condition of the North-Western Tribes of the Dominion of 

 Canada; — Report of the Corresponding Societies Committee ; — On Electrolysis; — A 

 tabular statement of the dates at which, and tlie localiiies where Pumice or Volcanic 

 Dust was seen in the Indian Ocean in 1883-4;— List of Works on the Geology, Mine- 

 ralogy, and Paleontology of Staffordshire, Worrestershire, and Warwickshire ; — 

 On Slaty Cleavage and allied Rock-Structures, with special reference to the Mecha- 

 nical Theories oJE their Origin ;— On the Strength of Telegraph Poles ; — On the Use 

 of Index Numbers in the Investigation of Trade Statistics ; — The Forth Bridge 

 Works ;— Electric Lighting at the Forth Bridge Works ;— The New Tay Viaduct. 



Too-ether with the Transactions of the Sections, Sir Lyon Playfair's Address, and 

 Recommendations of the Association and its Committees. 



