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THE POPULAR SCIENCE MONTHLY 



the nobler ambition of being counted among the learned and the good 

 who strive to make the future better and happier than the past. And 

 to this we shall attain if we will remind ourselves that, as in every 

 pursuit of knowledge there is the charm of novelty, and in every at- 

 tainment of truth utility, so in every use of it there may be charity. 

 I do not mean only the charity which is in hospitals or in the service 

 of the poor, great as is the privilege of our calling in that we may be 

 its chief ministers ; but that wider charity which is practiced in a con- 

 stant sympathy and gentleness, in patience and self-devotion. And it 

 is surely fair to hold that, as in every search for knowledge we may 

 strengthen our intellectual power, so in every practical employment of 

 it we may, if we will, improve our moral nature ; we may obey the 

 whole law of Christian love, we may illustrate the highest induction 

 of scientific philanthropy. 



Let us, then, resolve to devote ourselves to the promotion of the 

 whole science, art, and charity of medicine. Let this resolve be to us 

 as a vow of brotherhood \ and may God help us in our work ! Nature. 



---- 



INCEEASE AND MOYEMENT OF THE COLOEED POP- 

 ULATION. 



By J. STAHL PATTEKSON. 



II. MOVEMENT. 



FOE the purpose of comparing the movement of the colored 

 population before and since emancipation, we begin with the 

 following table, which shows the percentage of colored increase in 

 each of the slave States for the last decade of slavery : 



STATES. 



Texas .... 

 Arkansas . , 

 Florida. . . , 

 Mississippi , 

 Louisiana. . 

 Missouri. . . 

 Alabama.. . 



Georgia. 



1S50. 



58,558 



47,708 



40,242 



810,808 



262,271 



90,040 



345,109 



384,613 



1860. 



182,921 

 111,259 

 62,677 

 437,404 

 350,373 

 118,503 

 437,770 

 465,698 



Gain 

 per cent. 



212-4 

 133-2 

 55-8 

 40-7 

 33-6 

 31-6 

 26-8 

 21-1 



Gain 

 per cent. 



15-1 

 14-4 

 6-9 

 6-2 

 4-7 

 4-2 

 4-1 

 3-7 



It will be observed that South Carolina and the border States 

 added very little to their colored population during this decade. This 

 was largely due to emigration, no doubt ; and in most of these States 

 this took opposite directions, part of it going southward by compul- 

 sion, and part of it northward by choice. Canada in a small way, 

 and the new and great planting States of the South mainly, received 

 the benefit of these tendencies of the colored movement. 



The following table gives the colored increase of the same States 



