psychological process of assimilation causes elements of a celestial phenomenon to be fused into an action of the terrestrial environment and to communicate to the latter certain characteristics without, however, thereby changing the setting of the action. The shark and the alligator are animals capable of devouring men, though this occurs less frequently in reality than in story. Yet because thoughts of this sort arouse strong emotions, they may of themselves very well come to form themes of märchen of devourment. This has frequently been the case. It seems to have happened, for example, in the Jonah legend. The above-mentioned picture in which the prophet is represented as hairless after having been in the belly of the fish, may very well have its source in some other märchen of devourment. In thus combining numerous elements of different origins, the märchen is truly representative of myth development. It shows clearly that the main theme of the myth is usually taken from man's terrestrial environment. True, celestial elements may enter into its composition and may sometimes give to the mythological conception its characteristic features. Even in such cases, however, a consideration of the tale as a whole will show that the celestial elements are completely absorbed by the terrestrial theme; their very existence may be completely unknown to the narrators of the tale. In a similar manner, celestial elements have probably been involved in the formation of other widely current märchen. Thus, the märchen theme underlying the legends of the Babylonian Sargon, the Israelitic Moses, and the Egyptian Osiris, as well as other tales in which a child, secreted in a chest, is borne away by the waves and lands on a distant shore, is generally regarded as having been suggested by the temporary disappearance and reappearance of the sun in a cloudy sky. In this case, however, the supposition is doubtless much more uncertain than in the case of the märchen of devourment. The theme relating to fire in the belly of the monster may be regarded as fairly unambiguous evidence of the influence of celestial phenomena, precisely because it is related only externally and apparently accidentally to the action. It should further be said that the märchen of the floating chest, at least in its connection with the personalities of the saga and of history, does not appear until the post-totemic age. It is probably an old märchen-theme which was assimilated by these legends of origin because the origin of a hero or a god was unknown and demanded explanation. Once appropriated, it underwent a number of changes in form.