XX REPORT 1844. 



On tlie Constant Indicator, by Professor Moseley. 



On the Meteorological Observations made at Plymouth during the past 

 year, by William Snow Harris, F.R.S. 



On Vital Statistics, by Colonel Sykes, and the Committee on that subject. 



1843. 



Third Report on the action of Air and Water on Iron and Steel, by R. 

 Mallet, M.R.I.A. 



Report of Committee for simultaneous Magnetic and Meteorological co- 

 operation. 



Report of Committee for Experiments on Steam-Engines. 



Report of Committee for Experiments on the Vitality of Seeds. 



Report on Tides of Frith of Forth and East coast of Scotland, by J. S. 

 Russell, M.A. 



Report of Committee on the Form of Ships. 



Report on the Physiological Action of Medicines, by J. Blake, M.R.C.S. 



Report of Committee on Zoological Nomenclature. 



Report of Committee on Earthquakes. 



Report of Committee on Balloons. 



Report of Committee on Scientific Memoirs. 



Report on Marine Testacea, by C. W. Peach, 



Report on the Mollusca and Radiata of the ;Egean Sea, by Professor E. 

 Forbes. 



Report of the Excavation at Collyhurst, near Manchester, by E. W. 

 Binney. 



Concluding Report of Railway Committee. 



1844. 



On the Microscopic Structure of Shells, by W. Carpenter, M.D., F.R.S. 



Report on the Britisli Nudibranchiate Mollusca, by Joshua Alder and 

 Albany Hancock. 



Researches on the Influence of Light on the Germination of Seeds and the 

 Growth of Plants, by Robert Hunt. 



Report of a Committee for revising the Nomenclature of the Stars. 



On the Meteorology of Toronto in Canada, by Lieut.-Colonel Edward 

 Sabine, R.A., F.R.S. 



Report on some recent Researches into the Structure, Functions and (Eco- 

 nomy of the Araneidea, made in Great Britain by John Blackwall, F.L.S. 



On the Construction of large Reflecting Telescopes, by the Earl of Rosse. 



Report on a Gas Furnace for Experiments on Vitrifaction and other 

 Applications of High Heat in the Laboratory, by the Rev. William Vernon 

 Harcourt, F.R.S., &c. 



Report of Committee for registering Earthquake Shocks in Scotland. 



Report of Committee for Experiments on Steam- Engines. 



Report of Committee to investigate the Varieties of the Human Race. 



Report of Committee for Experiments on the Vitality of Seeds. 



On the Consumption of Fuel and the Prevention cf Smoke, by William 

 Fairbairn, 



Report concerning the Observatory of the British Association at Kew, 

 from August the 1st, 1843, to July the 31st, 1844, by Francis Ronalds, 

 F.R.S. 



Report of Committee for simultaneous Magnetic and Meteorological co- 

 operation. 



