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#### Killed or died of wounds.

 Service. Officers. Enlisted Men. Total. Ratio of Officers to Men. Infantry 5,461 91,424 96,885 1 : 16.7 Sharpshooters 23 443 466 1 : 17.7 Cavalry 671 9,925 10,596 1 : 14.7 Light Artillery 116 1,701 1,817 1 : 14.6 1Heavy Artillery 5 124 129 1 : 24.8 Engineers 4 72 76 1 : 18.0 General Officers 67 ------ 67 ------ 2General Staff 18 ------ 18 ------ Unclassified ---- 16 16 ------ Total 6,365 103,705 110,070 1 : 16.2

The losses in the three principal classes of troops were:

#### Killed or died of wounds.

 Class. Officers. Enlisted Men. Total. Ratio of Officers to Men. Volunteers 6,078 98,815 104,893 1 : 16.2 Regulars 144 2,139 2,283 1 : 14.8 Colored Troops 143 2,751 2,894 1 : 19.2 Total 6,365 103,705 110,070 1 : 16.3

#### Died by disease. (not including deaths in prisons.)

 Class. Officers. Enlisted Men. Total. Ratio of Officers to Men. Volunteers 2,471 165,039 167,510 1 : 66.7 Regulars 104 2,448 2,552 1 : 23.5 Colored Troops 137 29,521 29,658 1 : 215.5 Total 2,712 197,008 199,720 1 : 72.6

The total number of men enrolled during the four years of the war was 2,778,304. But a large proportion of them enlisted for ninety days, six months, one year, or two years, and reentered the service upon the expiration of their term of enlistment. Thus, the names of many soldiers appear two or more times upon the rolls, and in different regiments. Reduced to a three years standard of enlistment, the total enrollment of the Union Army would equal 2,326,168 men. Using this as a basis for computation, the following percentages are obtained:

#### Killed or died of wounds.

 Class. Enrolled. Killed. Per cent. Volunteers 2,080,193 104,893 5.0 3Regulars 67,000 2,283 3.4 Colored Troops 178,975 2,894 1.6 Total 2,326,168 110,070 4.7

1 Heavy Artillery, acting as infantry, is included with the infantry.

2 Does not include officers in volunteer regiments detailed on staff duty.

3 Many of the Regulars were stationed on post duty. The Regular regiments in the field sustained losses fully as heavy as those of the Volunteers.