SIXTH REPORT — 1836. 



The following Reports of Researches undertaken at the re- 

 quest of the Association have been published, viz. 



Report on the comparative measurement of the Aberdeen 

 Standard Scale, by Francis Baily, Treasurer R.S., &c. 

 On Impact upon Beams, by Eaton Hodgkinson. 

 Observations on the Direction and Intensity of the Terrestrial 

 Magnetic Force in Ireland, by the Rev. H. Lloyd, Capt. Sabine, 

 and Capt. J. C. Ross. 



On the Phaenomena usually referred to the Radiation of Heat, 

 by H. Hudson, M.D. 



Experiments on Rain at different elevations, by Wm. Gray, 

 jun. and Professor Phillips. 



Hourly observations of the Thermometer at Plpiiouth, by 

 W. S. Harris. 



On the Infra-orbital Cavities in Deers and Antelopes, by A. 

 Jacob, M.D. 



On the Effects of Acrid Poisons, by T. Hodgkin, M.D. 

 On the Motions and Sounds of the Heart, by the Dublin Sub- 

 committee. 



On the Registration of Deaths, by the Edinburgh Sub-Com- 

 mittee. 



Report of the London Sub-Committee of the Medical Section, 

 of the British Association on the Motions and Sounds of the 

 Heart. 



Second Report of the Dublin Sub-Committee on the Motions 

 and Sounds of the Heart. (See vol. iv. p. 243.) 



Report of the Dublin Committee on the Pathology of the 

 Brain and Nervous System. 



Account of the recent Discussions of Observations of the 

 Tides which have been obtained by means of the grant of Money 

 which was placed at the disposal of the Author for that purpose at 

 the last Meeting of the Association, by J. W. Lubbock, Esq. 



Observations for determining the refractive Indices for the 

 Standard Rays of the Solar Spectrum in various media, by the 

 Rev. Baden Powell, M.A., F.R.S., Saviliau Professor of Geome- 

 try in the University of Oxford. 



Provisional Report on the Communication between the Arteries 

 and Absorbents on the part of the London Committee, by Dr. 

 Hodgkhi. 



Report of Experiments on Subterranean Temperature, imder 

 the direction of a Committee, consisting of Professor Forbes, 

 Mr. W. S. Harris, Professor Powell, Lieut. Colonel Sykes, and 

 Professor Phillips, (Reporter.) 



