The only possible match I can at find at CWS&SS...
Colonel A.W. Bartlett
2nd Mississippi Infantry (Army of 10000.)
Here is a history of the Army of 10,000
http://mississippiscv.org/MS_Units/army_of_10k.htm
I don't believe he was in the 2nd Mississippi that served in Virginia. However, you may wish to visit their website and contact them to confirm my opinion. Here is their address...