...mdash; we obtained the Herald of the 4th, and the Richmond papers of the 4th, on the same day, there being only about five hours difference in the time. This morning the 17th Virginia regiment, Col. Corse , came down on picket to relieve the 7th, whose time expires to-day at twelve.--The weather is delightful for outpost duty, and if it continues a few days longer the 17th will have as good time as one...