"It's casting off the old shell and growing a new one," he said.

The old heavy acoustical shell kept falling through the floor.

Two are shiny new hotels in old shells, one empty for years and the other a former welfare hotel.

Shelley gets bored with his old shell so they help him find a brand new house.

Even after more than a century, old shells could be unearthed.

"You still got the old shells out in the junkyard, use one of them."

So you borrowed from the old shells to build the new, where you could.

Well, maybe he could turn the old shells into a whole can of peas.

Call Joey, dump the old shells into the bay, write it off.

Just up ahead: a big old shell of a tree.