1865.] Smith on the Health of Metal Miners. 219 



A. — After-lifetime of Males, or Years of Life after the Age of 20. 





Males of all Classes. 



Miners. 



Age. 



Healthy 

 Country 

 Districts. 



England 



and 

 Wales. 



Cornish 

 Districts. 



Stafford>hire 

 Districts. 



Durham and 

 Northumber- 

 land 

 Districts. 



Merthvr 

 Tydfil 

 District. 



20 

 30 

 40 

 50 

 60 

 70 

 80 



Years. 

 43 456 

 36-483 

 29-342 

 22-078 

 15-094 

 9-356 

 5-378 



Years. 



39-425 

 32-681 

 26-018 

 19-545 

 13 614 

 8-524 

 4-992 



Years. 



34-862 



27-755 



20-314 



14-064 



9-6S8 



6- 131 



3-501 



Years. 



33-307 



27-706 

 21-644 

 15-666 

 10-530 

 6-502 

 4-117 



Years. 



42-016 

 34-563 

 27-387 

 20-447 

 13-772 

 7-927 

 4-196 



Years. 



30-575 



24-841 



19-765 



14-463 



9-079 



5-535 



3-934 



B. — Healthy After-lifetime, or Tears of Health after the Age of 20. 



Total . . . 



40-5 



36-4 



31-9 



30.3 



39-0 



27-6 



20 to 40 1 



Athletic age ) 



1S-.0 



17-6 



17-7 



16-5 



18-2 



16-1 



40 to 60 1 



Intellectual age / 



14-6 



13-0 



11-5 



10-7 



14-2 



9-4 



60 to 70 1 

 Mature age 1 



7-4 



56 



2-7 



3-0 



6-4 



2-1 



80 & upwards,! 



Monumental age 1 



•5 



•2 



•0 



•1 



•2 



•0 



The deaths by violence in metal mines are not so numerous as one 

 might expect. In copper, tin, lead, and iron mines, the amount is 

 109 out of 100,000. 



Of 382 cases (p. 157, Dr. Farr's evidence), there were — 

 Crushed or injured by fall of stone . 149 



Fell into the pit 



By blasting . 



By drowning . 



Other methods of violence 



In coal mines the number is much greater. 



Crushed by fall of coal . 



Explosions . 



Falls in the pit or shaft 



Blasting 



Drowning 



Other causes . 



122 

 39 

 13 

 59 



382 = 109 in 100,000 



236 



145 



92 



5 



4 



16 



498 in 100,000 



VOL. II. 



