90 



BIOLOGY OF DEATH 



Inscriptionum Latinarum of the Berlin Academy, which 

 gives records as to age of death for many thousand 

 Eoman citizens dying, for the most part, within the first 

 three or four centuries of the Christian era. His mate- 

 rial may, therefore, be taken to represent the conditions 

 a few centuries later than those of Pearson's Romano- 

 Egyptian population. Macdonell was able to calculate 



YEARS OF ABE 



FzQ. 22. — CompariDg the expectation of life of Ancient Romans with that of present 

 day Americans. Plotted from Macdonell's and Glover's data. 



three tables of expectation of life — the first for Roman 

 citizens living in the city of Rome itself; second for* 

 those living in the provinces of Hispania and Lusitania ; 

 and third, for those living in Africa. The results are 

 plotted against the United States 1910 data, as before, 

 in Figures 22, 23, and 24. 



Figure 22 relates to inhabitants of the city of Rome 

 itself. The deaths from which the expectations are 

 calculated run into the thousands, and fortunately one 

 is able to separate males and females. As in Pearson's 

 case, which we have just examined, modem American 



