3. _Pebble Society._—In the Pebble Society the characteristic passing of the drum likewise occurs, and with it occur the details connected with it, as well as the preparation for shooting and the actual shooting. The number of ritualistic complexes is much smaller than in the Shell Society. However, this may be due to the meagreness of our information. As contrasted with the marked unity of action displayed in the Shell Society, we find here a marked tendency for individual development, that is perhaps to be expected, considering that the bond of union (namely, the powers obtained through common visions) is a rather vague one from the point of view of organization. 4. _Medicine Dance._—In the Medicine Dance the general ceremony includes, in addition to the basic and initiation rituals, a secret ceremony that takes place outside of the lodge itself. As in the Shell and Pebble Societies, there are here also two sessions, but both seem to be secret. The significance of the general ceremony mentioned is the performance of a ritual for a variety of purposes, the principal of which are, first, purely the perpetuation of the ritual; and, secondly, the “strengthening” and renewal of certain special powers. These two seem to be pre-eminently the functions of those Omaha and Winnebago societies that are based upon common visions. In the former the element of initiation plays no part at all. The meetings of the society take place at almost any convenient time of the year. For the Winnebago the element of initiation is more pronounced. The meetings are called for two reasons,—either for the purpose of initiating a member, or for the purpose of acquiring additional powers. In each case the general complexes are different, and in each case they depend upon associations that are both historically and psychologically determined by the specific cultural characteristics of the area in question. VI. THE COMPLETE CEREMONIAL COMPLEXES.—The general ceremony is only one element in an extremely elaborate complex. Its position in this complex has been touched upon before. We have now, however, to examine this complex itself, and to see what are the ritualistic elements that form it. And in this final complex we have again to see whether there is a tendency for certain elements to be associated in a definite manner; and, if this proves to be the case, how this definite association is to be interpreted.