Planche XXI. Attitudes Passionnelles. Erotisme. The text is by Bourneville and the photographs are by P. Regnard. The plates in v. 1 are mounted photographs (albumen prints) with letterpress captions; the plates in v. 2-3 are collotypes with letterpress captions. All of the plates, which depict patients at La Salpetriere, are from photographs by Regnard.