...departed, professedly on a cruise in search of slave-ships. This was to lull into slumber the vigilance of the secessionists, who were uneasy and wide awake when the Mohawk was there. She went to Havana on the 16th, where her officers boarded two of the steamers of lines connecting Key West with both New Orleans and Charleston, and requested to be reported as after slavers. . As soon as they were ...