949 



of the Underground Temperature Committee ; — Report on Meteoric Dust ;— Second 

 Report on the Measurement of the Lunar Disturbance of Gravity; — Report on the 

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

 by means of Pliotograpliy of the Ultra-Violet t^park Spectra emitted by Metallic 

 Elements, and their combinations under varying conditions ;— Report of the Com- 

 mittee for preparing a new Series of Tables of Wave-lengths of the Spectra of the 

 Elements ; — Report on the Methods employed in the Calibration of Mercurial Ther- 

 mometers; — Second Report on the Earthquake Phenomena of Japan ; — Eigiith Report 

 on the Circulation of the Underground Waters in the Permeable Formations of 

 England, and the Quality and Quantity of the Water supplied to various Towns and 

 Districts from these Formations ; — Report on the Conditions under which ordinary 

 Sedimentarj' Materials may be converted into Metamorphic Rocks; — Report on 

 Explorations in Caves of Carboniferous Limestone in the South of Ireland; — Report 

 on the Preparation of an International Geological Jlap of Europe ; — Tenth Report on 

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

 (Jurassic Species — British Area onlj-) ; — Preliminarj' Report on the Flora of the 

 ' Halifax Hard Bed,' Lower Coal Jleasures ; — Report on the Influence of Bodily 

 Exercise on the Elimination of Nitrogen ; — Report of the Committee appointed for 

 obtaining Photographs of the Tj'pical Races in the British Isles; — Preliminary 

 Report on the Ancient Earthwork in Epping Forest known as the Loughton Camp; 

 — Second Report on the Natural History of Timor-laut ; — Report of the Committee 

 for carrying out the recommendations of the Antlu-opometric Committee of 1880, 

 especially as regards the anthropometrj' of children and of females, and the more 

 complete discussion of the collected facts ; — Report on the Natural History of 

 Socotra and the adjacent Highlands of Arabia and Somali Land ; — Report on the 

 Maintenance of the Scottish Zoological Station; — Report on the Migration of 

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

 Report on the Survej' of Eastern Palestine; — Final Report on the Appropriation of 

 Wages, &c. ; — Report on the working of the revised New Code, and of other legisla- 

 tion affecting the teaching of Science in Elementary Schools ; — Report on Patent 

 Legislation ; — Report of the Committee for determining a Gauge for the manufacture 

 of various small Screws ; — Report on the best means of ascertaining the Effective 

 Wind Pressure to which buildings and structures are exposed ; — On the Boiling 

 Points and Vapour Tension of Mercury, of Sulphur, and of some Compounds of 

 Carbon, determined by means of the Hj-drogen Tliermometer ; — On the Method of 

 Harmonic Analj-sis used in deducing the Numerical Values of the Tides of long 

 period, and on a Misprint in the Tidal Report for 1872 ; — List of AVorks on the 

 Geology and Palajontology of Oxfordshire, of Berkshire, and of Buckinghamshire ; — 

 Notes on the oldest Records of the Sea-Route to China from Western Asia ; — The 

 Deserts of Africa and Asia ; — State of Crime in England, Scotland, and Ireland in 

 1880 ; — On the Treatment of Steel for the Construction of Ordnance, and other pur- 

 poses; — The Channel Tunnel ; — The Forth Bridge. 



Together with the Transactions of the Sections, Dr. C. W. Siemens's Address, and 

 Recommendations of the Association and its Committees. 



REPORT OF THE FIFTY-THIRD MEETING, at Southport, 

 September 1883, Published at £\ 4s. 



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

 Standards for use in Electrical Measurements ; — Sixteenth Report on Underground 

 Temperature ; — Report on the best Experimental Methods that can be used in ob- 

 serving Total Solar Eclipses ; — Report on the Harmonic Analysis of Tidal Observa- 

 tions ; — 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 on Mathematical Tables; — Report of the 

 Committee for co-operating with the Scottish Meteorological Society in making 

 Meteorological Observations on Ben Nevis ;— Report on Meteoric Dust;— Report of 

 the Committee appointed for fixing a Standard of White Light ; — Repwrton Chemical 

 Nomenclature ;— :Report on the investigation by means of Photography of the Ultra- 

 violet Spark Spectra emitted by Metallic Elements, and their combinations under 

 varying conditions ; — Report on Isomeric Naphthalene Derivatives ; — Re|X)rt on 

 Explorations in Caves in the Carboniferous Limestone in the South of Ireland; — 

 Rep<jrt on the Exploration of Raygill Fissure, Yorkshire ; — Eleventh Report on the 



