The stone contains large, white shell fragments, and large grey shells.
Carios opened the box containing his new shotgun and shells at nine o'clock mat morning.
A large shell containing several smaller shells of various sizes and types.
When a shell contains smaller shells of the same size and type, the effect is usually referred to as "Thousands".
Some larger Roman candles contain small shells (bombettes) rather than stars.
Coalition forces said they had captured a number of weapons caches containing shells, explosives and military uniforms.
The burial contained complete shells of 50 tortoises, which are thought to have been brought to the site and eaten during the funeral feast.
Some magazines contain huge explosive shells; others hold the powder charges.
It is simply that at one time the ooze covering the sea floor contained shells of animals - and before that did not.
They contain scales, shells and bones of water creatures.