in the United States in Fifty Years. 



137 



Table III. — Comparative View of the number of persons employed in Agriculture, Com. 

 tnerce, and Manufactures, in the five great divisions of the United States, in 1820 

 and 1840, and the relative proportions of each class. 



Table IV. — Showing the proportions in which the several industrious classes of the 

 Union, according to the census of 1840, are distributed among its great geographical 

 divisions. 



Table V. — Showing the ratio which the number of persons in the several industrious 

 clusses of each great geographical division of the States bears to the whole popula- 

 tion of such division, according to the census of 1840. 



12* 



