The god here called Fricco was known to the Scandinavians themselves by the name of Frey (_Freyr_), and that the triad thus specified by Adam were in fact the chief deities worshipped in the later stages of Scandinavian religion is abundantly proved by the native evidence. The identification of Odin with Mars in place of Mercury is also in full accordance with the later beliefs: in other words, Odin has taken the place of Ty as the chief war-god. Whether this was the main reason for the admission of Frey as third member of the supreme triad is uncertain, the earlier position of this god being altogether unknown. Thor, it will be noticed, still retains his place as the counterpart of the Roman Jupiter, and stands between the other two gods, as being the most powerful. The precise relationship, however, between Thor and Odin is not by any means so simple as this statement would suggest, and forms indeed one of the most difficult questions connected with the subject. This will be most clearly brought out by a detailed account of the relative place assigned to each of them in religious practice on the one hand, and in mythological accounts on the other; and the most correct impression of the facts will probably be obtained by dealing first with Thor. The pre-eminence assigned to this god by Ælfric and Adam of Bremen is quite in accordance with what can fairly be inferred from the native historical sources. A considerable number of passages in the sagas yield combined proof that by the people at large Thor was regarded as the chief deity, at least in Norway and Iceland: for Sweden and Denmark the evidence is less conclusive, but seems to point in the same direction. It is of great significance, for example, that in all the Scandinavian countries the name of Thor is the one which is most frequently used as a formative element in the names of persons (such as Thor-kell, Stein-thor), and these were evidently quite as common in Sweden and Denmark as in Norway and Iceland. On the other hand, the name of Odin is scarcely ever employed, only one or two instances being found among the Danes and Swedes. Names with Frey- as their first element are more frequent, but are in small proportion compared with those in Thor-. In Danish and Swedish place-names, too, the predominance of Thor is very marked, although Odin and Frey are better represented here than in the case of the personal names. In Norway and Iceland place-names of this kind are rare, but Thorsness and Thorsmark occur in the latter country. The frequency with which Thor's hammer (see below) is represented on Danish and Swedish runic monuments, and the occurrence on ancient Danish stones of the formula 'May Thor hallow this monument' (or 'these runes'), also indicate that the position of this deity was much the same among all branches of the Scandinavian people. In Denmark, too, there are distinct traces of a tendency to hold local assemblies on the day named after the god; in Iceland this