1. Tritone e Sirena, Triton and Siren, 86.5x141, winter 1908-09 2. Prometeo, Prometheus, 117x81, winter 1908-09 3. Sfinge, Sohinx, 76x120, winter 1908-09 4. Lotta di Centauri, Battle of Centaurs, 75x110, spring 1909 5. Centauro morente, The Dying Centaur, 118x75, spring 1909 6. La partenza degli Argonauti, The Departure of the Argonauts, 73x92, summer 1909 7. Serenata, Serenade, 82x120, summer 1909 8. Processione su un monte, Procession on a Mountain, 50x50, summer 1909 9. Ritratto del fratello, Portrait of the Artist's Brother, 119x75, summer-automn 1909 10. L'énigme de L'oracle, The Enigma of the Oracle, 42x61, summer-autumn 1909 11. L'énigme d'un après-midi d'automne, The Enigma of an Autumn Afternoon, 45x60, autumn-winter 1909 12. L'énigme de l'heure, The Enigma of the Hour, 55x71, winter 1910-spring 1911 13. Portrait de l'artiste par lui-même, Self-portrait, 72.5x55, spring 1911 14. Ritratto della madre, Portrait of the Artist's Mother, 85.5x62, October 1911 15. La méditation matinale, Morning Meditation, 52x70, winter 1911-12 16. La meditation automnale, Autumunal Meditation, 53.3x69.8, winter 1911-12 17. L'énigme de l'arrivée et de l'après-midi, The Enigma of the Arrival and the Afternoon, 70x86.5, winter 1911-12 18. Les plaisirs du poète, The Delights of the Poet, 69.5x86.3, February-March 1912 19. La lassitude de l'infini, The Lassitude of the Infinite, 44x112, spring 1912 20. La matinee angoissante, The Anguishing Morning, 80.5x65, autumn 1912