midnight
-- The enemy mounting their heavy artillery on their first parallel and supplying their batteries with ammunition . The garrison throwing up traverses to defend the works . 8th . -- The enemy attacked our pickets on the left at midnight , and drove them inside the lines . Some time after this a body of them came to the barricade and persuaded the officers that they were deserters . The officers of the 43rd regiment , in a most unwary manner having got on the works to show them the way in , were treacherously shot at and killed , their murderers making their escape . 9th .