Soon after 1500 /B.C./, when the first leaf-shaped sword, Type A, had been evolved, some Wiros seem to have passed over the mountains into the Friuli. It may have been merely a raid or a trading venture, but the Treviso specimen suggests that these swords had remained in use and had developed into a local type, so that it is possible that we may see in this, evidence of a small migration of Wiros through the Friuli to settle in the Veneto. The evidence is admittedly slight, but it seems to point to the introduction at this time into the regions lying at the head of the Adriatic of the Venetian dialects, which appear to be more archaic in form than the other Italic tongues. During the Type B period, between 1450 and 1400 /B.C./, we have evidence of a northward movement to Schleswig-Holstein and Jutland, and the fact that these Type B swords continue in the north an independent development suggests that the party who carried them thither were not engaged in a temporary raid. I am inclined to see in this movement the arrival in the north of that band of Wiros, who introduced into the Baltic region Teutonic speech and the legends and the cult of Odin.[489] As we have seen Wiros had arrived there more than a thousand years before, but these earlier invaders, I have suggested, had spoken languages more akin to the Baltic group, and were, if my interpretation of the facts is correct, the red-haired worshippers of Thor.[490] Thus we get the three groups of people, forming the three classes of serfs, farmers, and nobles, which are mentioned in Scandinavian legend,[491] by the super-position of the sword-bearing Teutonic Wiros upon the early group of Baltic-speaking Wiros, who had in their turn mastered and enslaved the Mongoloid people responsible for the Arctic culture.[492] It was soon after 1300 /B.C./ that a small group from the Italic zone, coming probably from Bosnia, passed south and then crossed the Adriatic, landing a little south of Ancona at the mouth of the Truentus. Passing up the valley of that river some settled at Batia near its head waters, while others crossed the Apennines to the valley of the Velinus and thence to Reatæ, which stood at its junction with the Himella. Thence some passed south eastward to Lacus Fucinus and others north-westward to Lacus Trasimenus. These, as I have endeavoured to prove, were the Wiros who introduced into the peninsula the Latin tongue and formed the essential Roman patrician _gentes_.