The beast was upon its belly, moving forward very slowly.
I rolled upon my belly and pressed myself against the couch.
Now she lay upon her belly behind a small bush within throwing distance of the quarry.
Instantly I turned about and lying upon my belly, seized the rope in both hands.
A man crawled upon his belly through the snow.
He shrugged, and crossed his arms upon his belly again.
His hand moved down to rest upon her belly - still flat and taut, despite the three months of the pregnancy.
I lay upon my belly across the wall and reached my hand far down toward him.
He placed his hand, fingers extended, flat upon her belly.
Crouched almost upon his belly he moved forward a few inches at a time.