Caddis, Caddice n. (Zool.) The larva of a caddice fly. These larvae generally live in cylindrical cases, open at each end, and covered externally with pieces of broken shells, gravel, bits of wood, etc. They are a favorite bait with anglers. Called also caddice worm, or caddis worm.
... the river and then up into the sky. Deep down under the dark, swirling water he could see life taking shape in a thousand forms. Caddis flies building bright, shining new nests, and dragonfly nymphs crawling up toward the sunlight, and pollywogs growing sturdy ... — The Mississippi Saucer • Frank Belknap Long Read full book for free!