...to report to-day. On a part of the line picket firing has been kept up all day, while at other points it would seem as if by a mutual agreement this practice had ceased. Last evening a battery in Birney 's division opened on a house on our left, which, according to a deserter who came in, was occupied by General Wilcox. Three shells went through it, causing the occupants to leave rather hastily. Th...