This is Gooding’s 23rd letter to the Mercury: Mercury, August 21, 1863 [OAF] Morris Island, Aug. 9, 1863 Messrs. Editors: —Since my last weekly melange, the situation remains about the same in this department. The 55th regiment, Col. N. P.  Hallowell commanding, arrived here from Newbern last Monday, and on Tuesday the regiment was introduced to Messrs. Shovel and [...]