or Bug, in zoology, a genus of insects belonging to the order of hemiptera. Linnaeus enumerates no less than 121 species. The lectarius, or common house-bug, is a well known insect. The methods of expelling them are various; as, oil of turpentine, the smoke of corn-mint, of narrow-leaved wild cress, of herb-robert, of the reddish agaric, of mustard, of Guiney pepper, of peats or turf, &c. But cleanliness is the only remedy against vermin of every kind.

CIMOLIA terra, in natural history, a species of white marle, which is ponderous and friable, and makes a considerable effervescence with aqua fortis.