Anonyme, « Caddis-cases », Hardwicke’s Science-Gossip, Londres, 1 août 1868, p. 189.

Caddis-cases._ We think it advisable to inform our readers that the appearance of an article in the Popular Science Review on Caddis-Flies, simultaneously with one on Caddis-cases, by another gentleman, in our own pages, was not premeditated, for could any opposition have been designed, since neither the authors of the papers nor the editor of either journal were admitted to the secretds of the other’s intention, and all were alike surprised at the denouement.