... About a week ago in a notice of affairs in the Valley, we stated that Robert Y. Conrad, and Philip Williams, Esq., had been arrested by the Yankees in Winchester and carried off as hostages for Wm. Dooley , a Union man, who is now a prisoner in Castle Thunder.--A letter before us corrects this statement as to Mr. Williams, and says that Rev. Dr. A. H. Boyd, was the party arrested with Mr. Dr. B. is an...