| a. | The Atria del Cavallo. |
| b b. | Fossa della Vetrana. |
| c. | Punta del Crocella. |
| d. | Lava of 1858 and 1867. |
| e. | Police Barrack near the Observatory. |
| f. | Part of Monte Somma. |
| 1. | The Cone, on the 13th January, 1871. |
| 2, 2. | Lava of 1871. |
| 1. | The Observatory. |
| 2. | Fossa della Vetrana. |
| 3. | Eruption of Smoke and Ashes, with Stones, from the surface of the Lava. |
| 4. | The Novelle, St. Sebastiano, and Massa. |
| 5. | Lava which took the direction of Resina. |
| 6. | Lava which, from the Crater, took the direction of the Camaldoli. |
| 7. | The Grain Stores, near Naples. |
| 8. | Resina. |
| 9. | Torre del Greco. |
| 10. | The Camaldoli. |