en; to be expanded, if possible, to three pieces to one thousand men.
That the proportion of rifle-guns should be one third, and of smooth-bores, two thirds.
That the rifle-guns should be restricted to the systems of the United States Ordnance Department; and of Parrott and the smooth-bores, (with the exception of á few howitzers for special service,) to be exclusively the twelve-pound gun of the model of 1857, variously called the gun-howitzer, the light twelve-pounder, or the Napoleon.
That each field-battery should, if practicable, be composed of six guns, and none to be less than four guns, and in all cases the guns of each battery should be of uniform calibre.
That the field-batteries were to be assigned to divisions, and not to brigades, and in the proportion of four to each division, of which one was to be a battery of regulars, the remainder of volunteers.
The captain of the regular battery to be the commandant of artillery of the division.