G./Gergus. W. Hudson, Private, Company B, 1st Battalion, Trans-Mississippi Confederate Cavalry (1st /battalion Arkansas and Louisiana, and Texas), Composed of men who enlisted in Arkansas, Louisiana, and Texas, admitted C. S. A. Hospital, Shreveport, Louisiana, April 27, 1864, returned to duty December 12, 1864, Diarrhoea/Dypsenteria, admitted March 5, 1865, Debilitas, returned to duty March 7, No future records

Note, his records contain only medical cards, no muster information

…..

Company B, 1st Battalion Trans-Mississippi Cav.
La. Co.
Mustered in September 17, 1863
Enlisted at Shreveport, La.
Stationed on the Courier lines heading from Shreveport, La.

Compiled Service Records of Confederate Soldiers Who Served in Organizations Raised Directly by the Confederate Government.

…………………….

Here’s information on his unit from an old thread from this board

http://history-sites.com/cgi-bin/bbs62x/arcwmb/webbbs_config.pl?md=read;id=30230