Zebulon enlisted in Company A and was the only Mississippi artillerist captured and paroled at Vicksburg. [http://www.nps.gov/archive/vick/parole/cp_l.htm]
1st Regiment, Mississippi Light Artillery
1st Artillery Regiment was organized during the late summer of 1862 with eleven companies. During the war the various companies served as both light and heavy artillery but not as one command. The regiment was assigned to the Department of Mississippi and East Louisiana, and Companes A, C, D, F, G, I, K, and L were assigned to the Department of Alabama, Mississippi, and East Louisiana, Company E to the Trans-Mississippi Department, and Company G to the Army of Tennessee. All disbanded before the end of the war. Its commanders were Colonel William T. Withers, Lieutenant Colonel James P. Parker, and Majors Benjamin R. Holmes and Jefferson L. Wofford.