(SwStr: t. 419)
Thirty-fifth Parallel, also known as Parallel, was constructed at Cincinnati, Ohio, in 1859, and operated out of New Orleans. She was outfitted with protective cotton-baling, and taken into Confederate army service in the Tallahatchie and Mississippi Rivers.
In March 1863 Comdr. I. N. Brown, CSN, took her 70 miles up the Tallahatchie where he transferred to the steamer St. Mary's to make observations. Thirty-fifth Parallel proceeded ahead into Federal territory and, encountering an extremely narrow stream, was disabled, run ashore, and burned to prevent capture by advancing Union forces in Chillicothe and Baron DeKalb.