HUMAN LONGEVITY 



49 



chosen for this treatment is based on the mortality experience of 

 1 929-3 1 inclusive, and is one of the latest comprehensive Ameri- 

 can life tables. The second table to be depicted is based upon 

 the mortality experience of the state of Massachusetts in the 

 year 1890. In both cases we shall deal with the order of dying 

 of white males only. What will be shown in Figure 2 is the 



_^runt/ o/c/ya/'fer *f'//o n^/// Aai/e 

 reacAee/ Aif ycjy V iop of i/ie ladder 



2P cente/tan'om 



>*'/// Av# ioo/c 

 tyonc/er/i/^ j/ears 



0/7fi/£,37/ny/ii\\de /»/? at SO 



ad do 



f?a ii*v /i/Ms o/'Mejda^/rrl 



, S2. /70h^/// 6e />erfi °^ ^^ \ 



\ /fSoud /la/f-M^oy foJAe fgr^ ftp -top of/Ae 

 iodaferAerf at SO dui 7-iSJZarestitt 



yft -^O tAere <»-/// de S/. 63 S. 

 a ^/tt/e. u^eay/e/', ^ut /?ot /77u.cA . 



//ere at JO years o^ ase SS.S44 

 Mt^/t^ st^/t t>e c//f?7t>/rif. 



/Utmost as mo/ii/C3S,0S9) M^/// 6e present o/id 

 ^«ti/np rvac/y to yote7?ere 



SO, 973 oi^ t/te/?? H^/tt ffet to tt>e 



/'/rst /O-year /-u/Tff Aere. 



Suppose 700,000 >yAte iabi/ 6oj/s to 

 start Aere at tAe Sottom toc7ay. 



//ere one tt^t /e/K- 

 at y /OZ 



drtacAedJOO 



/1/rte<yercreit> 



Only /SZ-fJ\i</ere/e/totSO 



/fere at t/fe dottorn. 



THE LADDER OF LIFE 



IG. 2. The ladder of life as it is shaped now (on the evidence of 1929-31) and as it was in 1890, 

 forty-eight years ago, (For further explanation see text.) 



