...he honor to report that this morning at six o'clock I despatched Col. Birge, in command of his regiment, (the Thirteenth Connecticut,) Barnet's cavalry, and one section of Carruth's battery, down the Bayou Lafourche , to open communication with the city. I have just received a despatch from him from Raceland Station, in which he says that he has communicated with Col. Thomas, who is one mile and a half from him...