“I n the excavations made by cutting the railroad from Turin to Genoa, a skeleton almost entire of the Mastodon angustidens has been discovered, about six leagues from Turin, and not far from Asti. Unfortunately, the remains having been deposited on a sort of plastic clay and covered by porous sand, had been for so many ages exposed to the influence of water which lodged upon the clay, that some of the bones require considerable restoration. But notwithstanding this defect, the Royal Museum of Turin may perhaps now flatter itself, that it possesses the most perfect skeleton of the Mastodon as yet found in Europe. The formation in which it was interred is of freshwater character, and contains a Helix and a Clausilia belonging to the great ancient alluvial (drift) formation of Italy. I am now preparing a description of these valuable remains, the different parts of which are not yet sufficiently cleaned and detached from the matrix to enable me to tell you precisely all we possess. I can, however, inform you that the following bones exist. A great part of the upper jaw with the molars, a complete lower jaw, several fragments of the skull, one entire tusk, two metres and a half long, and the larger portion of the other tusk, some cervical vertebræ, and most of the dorsal, almost all the ribs, though much broken, a scapula, the two humeri, one fibula, the two femora, the tibiæ, one cubitus, several fragments of the feet, and a part