Herbert M. Sylvester, « A Rare Day in June », Portland (Maine) Pine Tree Magazine, vol. V, n°1, 1906, p. 412.
He well knows that the stream just here is likely to afford a most tempting bait, for here are signs of the caddis-worm, the Phryganea rhombica, that to the unitiate are just little oblong moving masses, that might be taken readily for bits of shredded grass-stalks, a chip of decayed wood, or even stone. The structure of their dwelling is various in style, but it is generally a tiny polygonal case, while in some instance there is a suggestion of the artistic in the grouping of the material which is used for a shelter in the larvae state.