WINTER CEREMONIAL DANCES 167 time of day, X must sing. The heralds call everyone to his house where the singers at once compose a new song, describing sun or moon as the case may be. They then sing it while X dances. Other kukusiut have the Prerogative of dancing at an eclipse of the sun, and still others at an eclipse of the moon, but X claims to be the only one entitled to dance at both. THE MYSTERY DANCE Mystery is the key-note of all Ausiut dances, but in the one termed d?mutsdémk that element is brought home so forcibly to the uninitiated that it may aptly be called the Dance of Mystery. The Bella Coola explain that the word Aimutsimk means stagam, “What Is Hidden.’”’ The essence of the rite, as explained to non-members, is that the supernatural power which has come to the dancer is embodied in three supernatural beings or in manifestations of them. Unless someone guesses its locations, the performer will die. The Mystery dance is one of the most lengthy Bella Coola rituals and necessitates such a lavish expenditure of food that only a rich man can undertake it. Accounts were obtained of the ritual as carried out by Qoxotin-i of Tcumot? and Saixnds of Kimsquit, both of whom have the necessary prerogative. The details differ so slightly in the two localities that only one description need be given, and the dancer can be spoken of as X. The patron of most Mystery dancers is Sanotfxumutelts Atquntam, but that of Saixnds is Kokostxum, a supernatural being remarkable for his wild and erratic behaviour. When X has stored up as much food as he thinks necessary, he calls the marshals together to tell them of his desire to dance. In case of consent, they admonish him not to hurry matters but to perform the rite slowly and properly. Prelimi- nary arrangements include the choosing of four kukusiut gifted with good memories to store up in their minds the Suesses made by the uninitiated. If many kukusiut are anx- lous to dance, X usually asks permission on the night of a