Æsthetic as science of expression and general linguistic

The kinds in antiquity: Aristotle—In the Middle Ages and Renaissance—The doctrine of the three unities—Poetics of the kinds and rules: Scaliger—Lessing—Compromises and extensions—Rebellion against rules in general—G. Bruno, Guarini—Spanish critics—G. B. Marino—G. V. Gravina—Fr. Montani—Critics of the eighteenth century—Romanticism and the "strict kinds": Berchet, V. Hugo—Their persistence in philosophical theories—Fr. Schelling—E. von Hartmann—The kinds in the schools

The limits of the arts in Lessing—Arts of space and arts of time—Limits and classifications of the arts in later philosophy: Herder and Kant—Schelling, Solger—Schopenhauer, Herbart—Weisse, Zeising, Vischer—M. Schasler—E. v. Hartmann—The supreme art: Richard Wagner—Lotze's attack on classifications—Contradictions in Lotze—Doubts in Schleiermacher

The Æsthetic theory of natural beauty—The theory of æsthetic senses—The theory of kinds of style—The theory of grammatical forms or parts of speech—Theory of æsthetic criticism—Distinction between taste and genius—Concept of artistic and literary history—Conclusion