Charles Bucke, On the Beauties, Harmonies, and Sublimities of Nature, vol. IV, Londres, G ?. & W. B. Whittaker, 1823.

Caddice worms enclosed in cases formed of sand, leaves, and slight pieces of wood, crawl along the bottoms of quiet streams ; become perfect insects ; rise to the surface ; quit their houses ; hover over the stream ; drop their eggs into water ; and die.