DEDICATED TO MY YOUNGEST SON, JEREMIAH E. STILLWELL. Dear Jerry: You have earnestly asked me to write something in the nature of an extended account of my career as a soldier in the Union army during the Civil War. It will be a rather strenuous undertaking for a man of my age. I shall be seventy-three years old in about three months, and the truth is, I am now becoming somewhat indolent, and averse to labor of any kind, either mental or physical. But I have concluded to comply with your request,