911 



Committee for determining a Gauge for the manufacture of various small Screws ;— . 

 Keport of the ' Local Scientific Societies ' Committee ; — On some results of photo- 

 graphing the Solar Corona without an Eclipse ; — On Lamp's Differential Equation ; — 

 Kecent Changes in the Distribution of Wealth in relation to the Incomes of the 

 Labouring Classes ; — On the Mersey Tunnel ; — On Manganese Bronze ; — Nest Gearing. 

 Together with the Transactions of the Sections, Professor Cayley's Address, and 

 Kecommendations of the Association and its Committees. 



REPORT OF THE riFTT-POURTH MEETING, at Montreal, 

 August and September, 1884, PuhUshed at 11. 4s. 



CoxTENTS : — Keport of the Committee for considering and advising on the best 

 means for facilitating the adoption of the Metric System of Weights and Measures 

 in Great Britain ; — Report of the Committee for considering the best methods of 

 recording the direct intensity of Solar Eadiation ; — Eeport of the Committee for 

 constructing and issuing practical Standards for use in Electrical Measurements ; — 

 Eeport of the Committee for co-operating with the Meteorological Society of the 

 Mauritius, in their x^roposed publication of Daily Synoptic Charts of the Indian 

 Ocean from the year 1861 ; — Second Eeport on the Harmonic Analysis of Tidal 

 Observations; — Eeport of the Committee for co-operating with Mr. E.J.Lowe in 

 his project of establishing a Meteorological Observatory near Chepstow on a per- 

 manent and scientific basis ; — Eeport of the Committee for co-operating with the 

 Directors of the Ben Nevis Observatory in making Meteorological Observations on 

 Ben Nevis ; — Report of the Committee for reducing and tabulating the Tidal Obser- 

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

 them with Observations made on the French Coast ; — Fourth Report on Meteoric 

 Dust;— Second Report on Chemical Nomenclature: — Report on Isomeric Naphtha- 

 lene Derivatives ; — Second Eeport on the Fossil Phyllopoda of the Pateozoic Rocks ; — 

 Tenth Eeport on the Circulation of Underground 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 ; — Fifth and last Eeport on Fossil 

 Polyzoa ; — Twelfth Eeport on the Erratic Blocks of England, Wales, and Ireland ; — 

 Eeport upon the National Geological Surveys of Europe ;— Eeport 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 ; — Eeport on the Exploration 

 of the Raygill Fissure in Lothersdale, Yorkshire ; — Fourth Report on the Earth- 

 quake Phenomena of Japan ; — Report on the occupation of a Table at the Zoological 

 Station at Naples; — Fourth Report on the Natural Historj' of Timor Laut; — Report 

 on the Influence of Bodily Exercise on the Elimination of Nitrogen ; — Report on the 

 Migration of Birds ; — Report on the Preparation of a Bibliography of certain groups 

 of Invertebrata ; — Report on the Exploration of Kilima-njaro, and the adjoining 

 mountains of Eastern Equatorial Africa ; — Eeport on the Survey of Eastern Pales- 

 tine ; — Eeport of the Committee for defraying the expenses of completing the Pre- 

 paration of the final Eeport of the Anthropometric Committee ; — Eeport on the 

 teaching of Science in Elementary Schools ;— Eeport 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 ; — Eeport 

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

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

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

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

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

 Connection between Sun-spots 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 inhabitiog 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 Eayleigh's Address, and 

 Recommendations of the Association and its Committees. 



