Field guide No. 499
A stone missing itself
A hole where the middle was.
A pale boulder on a misty green hillside has a hollow in its middle the exact shape of a smaller stone. It has been looking everywhere.
Field noteHollows in rock come from wear. This one wore away in the outline of a smaller stone that is nowhere about.
Also possible, also breaking category
Whale surfacing through desert sandWhales breach water. Sand is a solid that has never been told it can be swum.
Sweet beaconLighthouses come in odd shapes, and plastic bears can be lit from inside. Shipping would adapt.
The quiet colanderColanders drain whatever is poured in. Someone poured daisies, and the holes obliged.
Molting umbrella on a wet shop floorUmbrellas are made, birds moult. A category slip with a handle.