What might have been the population of one of these settlements? This estimate M. Troyon endeavoured to make--an undertaking of a very interesting nature. He adopted as the base of his calculations the lacustrine village of Morges (Lake of Geneva), which, as we have already stated, had an area of 71,000 square yards. Allowing that only one-half of this area was occupied by huts, the other half being reserved for gangways between the dwellings, and assuming an average diameter of 16 feet for each hut, M. Troyon reckoned the number of dwellings in the pre-historic village of Morges at 311. Next, supposing that four individuals lived in each hut, the total amount of population he arrived at was 1244 inhabitants. We might very justly be surprised if men of the bronze epoch, who were provided with metallic weapons, and were consequently in a much better position for resisting any violent attack, had continued to dwell exclusively in the midst of the water, and should not, to some extent, have dispersed over _terra firma_, which is man's natural standing-ground. It was, therefore, nothing more than might have been expected, when the discovery was made of the relics of dwellings upon land, containing remains of the bronze epoch. This discovery, in fact, took place, and those investigating the subject came to the conclusion that the valleys of Switzerland, as well as the lakes, were occupied during this period by an industrious and agricultural people. At Ebersberg, canton of Zurich, there was discovered--which is a very curious fact--the remains of an ancient settlement situated on _terra firma_, and containing utensils similar to those found in the lacustrine settlements. In 1864, Dr. Clement searched several mounds composed of pebbles bearing the traces of fire; these mounds were situated in the neighbourhood of Gorgier (canton of Neuchâtel). One of these mounds has furnished various objects of bronze intermingled with fragments of charcoal, especially a bracelet and some sickles characterised by a projection or set-off at the spring of the blade. On the plateau of Granges (canton of Soleure), Dr. Schild studied a certain spot which he considers to be the site of an ancient bronze foundry; for, besides finding there pebbles and calcined earth, he also discovered a number of reaping-hooks made with a shoulder, and also a fragment of a sword and four finely-made knives. A hatchet-knife was likewise found in the gorge of the Seyon, near Neuchâtel; and a bracelet in the vicinity of Morges (canton of Geneva). Some other bracelets, accompanied by calcined human bones, were discovered near Sion, in the Valais. Lastly, M. Thioly obtained from a cave of Mont Salève, near Geneva, numerous fragments of pottery of the bronze epoch; and in a grotto on the banks of the Reuse, in the canton of Neuchâtel, M. Otz found relics of pottery of very fine clay, along with a quantity of bones.