Several varieties

J. G. Wood, The Common Objects of the Country, Londres, George Routeledge, 1858, p. 175.

On the same plate, fig. 12, may be seen several varieties of the objects know to fishermen as
« Caddis » cases. There are residences built by the larva of the common Caddis, or Stone-fly, witch is represented on the same plate, fig. 9.