452 



THE SCIENTIFIC MONTHLY 



lations of other parts of the Roman Empire as we shall see in the fol- 

 lowing diagram. Macdonell thinks that this difference is real and due 

 to circumstances peculiar to Rome. 







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WEARS OF AGC 

 FIG. 6. COMPARING THE EXPECTATION OF LIFE OF THE POPULATION OF THE ROMAN 

 PROVINCES HISPANIA AND LUSITANIA WITH THAT OF PRESENT DAY AMERICANS. Plotted 

 from Macdonell's and Glover's data 



The general features of the diagram for the population of His- 

 pania and Lusitania (Figure 6) are similar to those that we have seen, 

 with the difference that the expectation of life up to age 20 or 25 is 

 not as bad as in the city of Rome itself. Again the females show a 

 lower expectation practically throughout life than do the males. The 

 lines cross the modern American lines at about age 60 and from that 

 point on these colonial Romans had a better expectation of life than 

 the modern American has. 











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' v?vr P F A - R !v° i J HE EX P ECTATI0N 0F LIFE OF THE POPULATION OF THE ROMAN 



PROVINCES IN AFRICA WITH THAT OF PRESENT DAY AMERICANS. 

 Macdonell's and Glover's data 



Plotted from 



