Introduction: The Marmorgestalt and the concept Gestalt. -- Isolation and death. -- Mathilde and the roses. -- The Cereus Peruvianus: illustration of a Gestalt. -- Affirmation of formlessness. -- The monstrous painting. -- The equivocal light of the Marmorsaal: traces of mysticism. -- The human Gestalten and the fools. -- Conclusion: Heinrich's progress toward the Marmorgestalt. -- Selected bibliography (p. 112-119).