From the Richmond Whig, 5/13/1864, p. 1, c. 3
PRISONERS. - Of the Yankee cavalry, who were prowling about the northern suburbs yesterday, one hundred and eighty privates and three officers were captured by our troops and committed to the Libby. Among the number was one most miserable looking nigger; and among the officers, Surgeon Fergusson of the 8th Pennsylvania. One of the prisoners was captured by an old citizen who rode out into the country to see what was going on.