Note that Brunton’s diagram in my figure 3, above, is rather ambiguous about specifically which Slash helps prevent the frog from leaping, and which helps prevent it from regaining ordinary posture right after being put on its again; so Brunton may well perhaps have disagreed with Lewes on this latter https://johnathancugsb.tusblogos.com/7667778/which-effects-you-observed-during-pithing-of-the-frog-can-be-fun-for-anyone