In a matter of hours the sides and bottom of his pit were nothing but slimy mud.

The ground was covered with the same slimy, gray mud.

Then the long scaly body lay still in the slimy mud on the river's edge.

He went down so far that his legs sank up to the knees in the sticky, slimy mud of the river bottom.

He went down, down to the black, slimy mud at the river's bottom.

His bare foot was down now in cold wet slimy mud, sinking into it.

His feet sank for about six inches in the slimy mud, then reached hard shingle.

Presently he felt slimy mud beneath him, along which his body was being dragged.

They are mainly developed when plants are growing in fine slimy mud.

He thrashed forward a few yards further, then, with relief, felt the slimy mud under his feet again.