blue mud

Beneath his painted vest, a plaster of fig leaves and caked blue mud covered the wound on his breast.

Deftly, with a delicacy surprising in such a big man, he began to scrape away the black leaves and dried blue mud from Drogo's chest.

Blue Mud Bay was so named by him on account of the nature of the bottom.

The Golden Hope was lying immediately over a white sandy 'patch, though both her anchors were embedded in blue mud, which formed an excellent holding-ground.

Lots of yellow, of course, from the sulphur,—crystals of it, some of them neighbor to an orange tinted crystal, lying in the blue mud.