PROCEEDINGS 



OP 



THE LITERARY AND PHILOSOPHICAL 



SOCIETY, 



Ordinary Meeting, October 3rd, 1871. 



E. W. BiNNEY, F.R.S., F.G.S, President, in the Chair. 



Mr. Thomas Harrison and Mr. Thomas Livesey were 

 elected Ordinary Members of the Society. 



Dr. Joule, F.R.S., exhibited curves showing the diurnal 

 variation of the magnetic inclination in Manchester during 

 the months May, June, and July, Tliese observations, 

 along with those of horizontal force, showed that the total 

 force was nearly a constant quantity. 



Professor 0. Reynolds, M.A., exhibited a series of models 

 which he had designed to illustrate problems in the geometry 

 of planes and solids. 



The President said that public attention had been justly 

 called to the high rate of mortality in the city of Manches- 

 ter and its adjoining borough Salford. One of the leading- 

 newspapers had lately stated that the gigantic infant 

 mortality of our great towns is notorious. In some parts of 

 Liverpool for example 58 per cent of the children under one 

 year of age die, while in other districts of the same town only 

 5 per cent die. 

 The subject of infantile mortality engaged public attention 

 Proceedings— Lit. & Phii,, Soc— Yol. XI.— No. 1.— Session 1871-2. 



