Company B., 36th Iowa Infantry (findagrave.com)

Harsin, James V. Age 25. Residence Kirkville, nativity Kentucky. Enlisted Aug. 4, 1862.
Mustered Sept. 3, 1862. Discharged for disability May 4, 1863, Benton Barracks (St. Louis), Mo. (http://iagenweb.org/civilwar/books/logan/mil705.htm)