...tance of which the enemy have availed themselves several times before. 10 P. M.--At eight o'clock A. M. we started on <*>r convoy trip down the river, being relieved for this purpose by the United States gunboat Mahaska. On returning to our anchorage at six P. M., we were pleased to see that Gen. McClellan had ordered a strong force to land and destroy all the houses and other buildings on the poin...