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. These 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. & Peid, Soc.— Vol, XI.— No. 1.— Session 1S71-2. 
