Anatomy of Melancholy, part iii., sect. ii, mem. ii, subs. iv.
Sadger, "Haut-, Schleimhaut-, und Muskel-erotik," Jahrbuch für psychoanalytische Forschungen, Bd. iii, 1912, p. 556.
Marro (Pubertà, p. 367 et seq.) has some observations on this point. It was an insight into this action of dancing which led the Spanish clergy of the eighteenth century to encourage the national enthusiasm for dancing (as Baretti informs us) in the interests of morality.