Note 4314 — Scene I. A cavern. In the middle, a boiling cauldron.[4314]
Reading edition
Act iv. Scene i.] Actus Quartus. Scæna Prima. F1. Actus Quintus ... F2 F3 F4.
A ... cauldron.] Capell, substantially. A dark Cave, in the middle a great Cauldron burning. Rowe.