James C. Cogswell (First_Last)
Regiment Name 28 Mississippi Cavalry.
Side Confederate
Company I
Soldier's Rank_In Private
Soldier's Rank_Out 2 Lieutenant
Unit history
http://mississippiscv.org/MS_Units/28th_MS_CAV.htm
To find his muster info you will need to order his service records. You can order from the clickable link at the top of the Mississippi message board mainpage.
GP