128 



BIOLOGY OF DEATH 



organ systems; and second, that the minimtim point is 

 reached not, as in most of the other cases, around the time 

 of puberty, but at a much later period — ^namely in the 



FiQ. 32. — Diagram showing specific death rates at each age from brealtdown of the skeletal 

 and muscular systems (Group V). 



late twenties. The whole curve shows a very gra.dual 

 change in the rates. 



The next diagram, Figure 33, shows one of the most 



