J. C. Comstock & B. N. Comings, Principles of physiology, designed for the use of schools, academies, colleges, and the general reader ; comprising a familiar explanation of the structure and functions of the organs of man, New York, Pratt, Woodford & Co., 1851, p. 86.

The aquatic larvae of the Caddice-flies, which are commontly know as Caddice-worms house themselves in straws pieces of hollow stick, small shells, etc., so as to make a tube, in which the animal creeps along the bottom and sides of the brook it inhabits, and sometimes rows itself on the surface of the water.