Human Physiology. 75 



their families, 37 years; mechanics, labourers, and their families. 

 25 years. 



In the county of Wilts the gentry reach the average age of 

 50; farmers and their families, 48; agricultural labourers and 

 their families, 33. 



Contrast this comparatively healthy rural district with some 

 of the towns of England at the period mentioned. 



AVERAGE AGE AT DEATH. 



Gentry. Tradesmen. Workmen. 

 York, city ... 48 ... 30 ... 22 



Preston 47 ... 32 ... 18 



Sheffield ... 46 ... 27 ... 19 



Liverpool ... .. 48 ... 19 ... 15 



Swansea ... ... ... 42 ... 32 ... 25 



Merthyr Tydvil 41 ... 32 17 



Manchester 38 ... 20 ... 17 



In London, as I have already observed, there are great 

 differences in the different districts. Thus, three unions, each 

 comprising very poor and wretched districts, gave the following 

 results : 



Gentry. Shopkeepers. Ai'tizans. 



St. George's, Hanover Sq. 45 ... 29 ... 27 

 Strand ... 43 ... 33 ... 22 



Bethnal Green ... ... 45 ... 26 ... 16 



The differences in Liverpool as to salubrity of districts, and 

 the astonishing mortality of shopkeepers, as well as the working 

 classes, were still more remarkable: 



Gentry. Shopkeepers. Artizans. 

 Great Howard Street ... 62^ ... 17^ ... 14^ 



St. Thomas 62 ... 20^ ... 17 



St. George 41^ ... i8f ... 15 



Islington 39^ ... 18 ... i6f 



Mount Pleasant ... ... 39 ... 20 ... 19 



Dale Street ... 34^ ... 18 ... 17^ 



