The frass is distributed irregularly in the entire mine.

The second pattern, in B. villosus, is a light caudal fin, with dark dots irregularly distributed.

This is due to the fact that there are two main components involved in sustenance production that are also distributed irregularly.

The European plaice is characterised above by their darkgreen to darkbrown skin, blotched with conspicuous, but irregularly distributed, orange spots.

The vacant spaces were irregularly distributed about the top running to the pointed end.

There are irregularly distributed small dark dots over the whole area of the wing.

Grey spots might be distributed irregularly across the cephalothorax and the mesosoma.

The back is green or occasionally brown, often with a light green stripe down the middle, and with darker spots irregularly distributed across the back.

They are marked by numerous incremental lines and five equally strong, but irregularly distributed, punctate, incised, spiral lines between the sutures.

There are some 44 phonemes distributed irregularly and inconsistently among 26 letters.