Sir,
There was never a 194th Tennessee Infantry. There was the 154th (SENIOR) TENNESSEE INFANTRY REGIMENT. Below is a link to a capsule history of the regiment.
http://www.tngenweb.org/civilwar/csainf/csa154.html
I hope this helps.
Respectfully,
Gerald D. Hodge, Jr.
War Between the States Historian
Historian: 39th Georgia Volunteer Infantry Regiment
http://39thgavolinfrgt.homestead.com/39thHomepage.html