[ 4^4 ] 
XLII. Ohfervations on the Difference between the Duration 
of Human Life in Lowns and in Country Pari/Jjcs and 
Villages, By the Rev. Richard Price, D. D. F. R. S. 
Communicated by Dr. Horfley. 
RedJe, June, 22, K C^HIS Society has lately been much 
1775. I ^ 
obliged to Dr. percival, for the ac- 
counts he has communicated of the Rate of population 
at Manchefter and its adjacent places. Thefe accounts 
contain fome fa6fs, which appear to me curious and im- 
portant. From the lalf in particular, there appears to 
be reafon for concluding, that wdiereas a 28 th part of the 
inhabitants die annually in the town of Manchefter, not 
more than a 56th part die annually in the adjacent coun- 
try. This implies a difference fo great between the rates of 
human mortality in thefe different fituations, that fome, 
whofe judgements I reverence, have thought it incredi- 
ble. I will, therefore, beg leave to offer the following 
obfervations on this fubjeff. 
In the firft place, the evidence in this inftance is fuch 
as feems to leave little room for doubt. From an accu- 
rate furvey it appears, that the number of inhabitants in 
the town was 27246, in the year 1773. The number 
edf deaths the fame year (and alfo the average for 1772, 
17735 
