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on Palaeontological and Zoological Researches in Mexico ; — Report on the possibility 

 of establishing a ' Close Time ' for Indigenous Animals ; — Report on the present state 

 of our knowledge of Spectrum Analj'sis ; — Report on Patent Legislation ; — Pre- 

 liminary Report on the present Appropriation of Wages, &c. ; — Report on the present 

 state of knowledge of the application of Quadratures and Interpolation to Actual 

 Data ; — The French Deep-sea Exploration in the Bay of Biscay ; — Third Report on 

 the Stationary Tides in the English Channel and in the North Sea, &c. ; — List of 

 Works on the Geology, Mineralogy, and Palaeontology of Wales (to the end of 1873): — 

 On the recent Revival in Trade. 



Together with the Transactions of the Sections, Dr. A, C. Ramsay's Address, and 

 Recommendations of the Association and its Committees. 



PROCEEDINGS of the FIPTY-EIRST MEETING, at York, 

 August and September 1881, Fublished at £1 4s. 



Contents : — Report on the Calculation of Tables of the Fundamental Invariants 

 of Algebraic Forms; — Report on Recent Progress in Hydrodynamics (Part I.); — 

 Report on Meteoric DiTst; — Second Report on the Calculation of Sun-heat Co- 

 etEcients ; — Fourteenth Report on Underground Temperature; — Report on the 

 Measurement of the Lunar Disturbance of Gravity ; — Second Report on an In- 

 vestigation for the purpose of fixing a Standard of White Light ; — Final Report on 

 the Thermal Conductivities of certain Rocks ; — Report on the manner in which 

 Rudimentary Science should be taught, and how Examinations should be held 

 therein, in Elementary Schools ; — Third Report on the Tertiary Flora of the North 

 of Ireland; — Report on the Method of Determining the Specific Refraction of Solids 

 from their Solutions ; — Fourth Report on the Stationary Tides in the English Channel 

 and in the North Sea, &c ; — Second Report on Fossil Polyzoa ; — Report on the 

 Maintenance of the Scottish Zoological Station ; — Report on the Occupation of a 

 Table at the Zoological Station at Naples ; — Report on the Migration of Birds ; — 

 Report on the Natural History of Socotra; — Report on the Natural History of 

 Timor-laut ; — Report on the Jlarine Fauna of the Southern Coast of Devon and 

 Cornwall ; — Report on the Earthquake Phenomena of Japan ;— Ninth Report on 

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

 Caves of the South of Ireland ; — Report on Patent Legislation ; — Report of the 

 Anthropometric Committee ; — Report on the Appropriation of Wages, &c. ; — Re- 

 port on Observations of Luminous Meteors; — Report on Mathematical Tables; — 

 Seventh Report on the Circulation of Underground Waters in the Jurassic, 

 New Red Sandstone, and Permian Formations of England, and the Quality and 

 Quantity of the Water supplied to Towns and Districts from these Formations; — 

 Report on the present state of our Knowledge of Spectrum Analysis ; — Interim Report 

 of the Committee for constructing and issuing practical Standards for use in Electrical 

 Measurements ; — On some new Theorems on Curves of Double Curvature ; — Observa- 

 tions of Atmospheric Electricity at the Kew Observatory during 1880; — On the 

 Arrestation of Infusorial Life by Solar Light ;— On the Effects of Oceanic Currents 

 upon Climates ; — On Magnetic Disturbances and Earth Currents ; — On some Applica- 

 tions of Electric Energy to Horticultural and Agricultural purposes;— On the Pressure 

 of Wind upon a Fixed Plane Surface ; — On the Island of Socotra ; — On some of the 

 Developments of Mechanical Engineering during the last Half-Century. 



Together with the Transactions of the Sections, Sir John Lubbock's Address, and 

 Recommendations of the Association and its Committees. 



REPORT OF THE FIFTY-SECOND MEETING, at Southampton, 

 August 1882, Puhlished at £\ As. 



Contents : — Report on the Calculation of Tables of Fundamental Invariants of 

 Binary Quantics ; — Report (provisional) 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 

 appointed for fixing a Standard of White Light ; — Report on Recent Prog-ress in 

 Hydrodynamics (Part II.) ; — Report of the Committee for constructing and issuing 

 practical Standards for use in Electrical Measurements ; — Fifteenth Report on Under- 

 ground Temperature, with Summarj- of the Results contained in the Fifteen Reports 



