That the Lake of Salt, as a coveted source, actually did influence the earlier descents of the cliff dwellers, and did lead to the building and occupancy by them of the long line of ruins I have described, rests, finally, on linguistic no less than on such comparative evidence as has already been indicated. In turn, this leads to consideration of the larger and at present more pertinent evidence that these dwellers in the round towns were in part ancestors of the Zuñis, and that thus, as assumed at the outset, the Zuñis are of composite, at least dual, origin, and that their last, still existing, phase of culture is of dual derivation. The archaic and sacred name for the south in Zuñi is _Álahoïnkwin táhna_, but the name more commonly employed--always in familiar or descriptive discourse--is _Mák‘yaiakwin táhna_ (that is, the "direction of the salt-containing water or lake," from _ma_, salt; _k‘yaía_, water, or lake-containing or bearing; _kwin_, place of, and _táhna_, point or direction of). That this name should have displaced the older form in familiar usage is significant of the great importance attached to their source of salt by the early Zuñis; yet but natural, for the older form, _Álahoïnkwin táhna_, signifies "in the direction of the home (or source) of the coral shells," from _álaho_, glowing red shell-stuff; _ïnkwïn_, abiding place of, or containing place of, and _táhna_. This source of the _álahowe_ or coral red shells (which are derived from several species of subtropical mollusks, and were so highly prized by the southwestern tribes that the Indians of the lower Colorado traded in them as assiduously as did those of the cliffs and round towns in salt) has been for generations the Gulf of California and the lower coast to beyond Guaymas. It is not improbable, then, that this archaic and now exclusively ritualistic expression for the southward or the south is a surviving paraphrase of the name for south (or of the source in the south of the red shells), formerly known to the western branch of the Zuñi ancestry, and once familiarly used by them to designate also, perhaps, the direction of the source of their chief treasure (these coral red shells of aboriginal commerce), as in the Gulf of California, which was then south of them, but is now due west-southwestward from them.