There was no response from the dark mass on the floor.

A sound came from the dark mass which might have been laughter.

To the south, they saw a single dark mass in the sand.

Soon he could make out the dark mass at the foot of the hill.

In the distance he saw a dark mass, and beyond it another.

She looked at the dark mass of the woods to her right.

There was no face, only deep holes in a dark mass.

She left the house, its dark mass looming behind her.

He looked down the canyon again, and this time saw a dark green mass moving toward him.

She knew they were all aware of that tall dark mass.