110 THE BELLA COOLA INDIANS small particles of food on a fire; these become large when they reach the land below and nourish the ghosts. An individual making an offering of this kind says: “ Anukaldimut kuskao,” “This is to make straight your road, beloved one.” The needs and desires of ghosts have been made known to mortals through visits paid by shamans to the land below, and by the coming of ghosts to this world. It is, therefore, realized that food placed on the ground does not reach the land below, but that morsels thrown on a fire sink through into the abode of ghosts. Offerings to the dead are not made with the hope of receiving favours from them, but rather to provide beloved relatives with necessary food and to prevent them from showing displeasure by causing stomach-aches and other ailments. Other instances, both of prayer and of sacrifice, will be recorded in connection with various myths. The salient fea- ture is that the Bella Coola are able to gain, by such means, the favour of supernatural beings, a factor which plays an important part in their daily life. In addition, they have a large number of practices based on sympathetic magic. No absolutely rigid boundary line can be drawn between the latter and religion proper, but there is a fairly clear division between rites such as those just described, in which propitiation 1s the important element, and others in which the desired end follows the mere performance of a certain act. Customs of this last type will be reserved for later consideration (vol. I, chap. x1). THE OBSERVANCE OF CEREMONIAL CHASTITY In addition to prayer and sacrifice, the Bella Coola have yet another means of obtaining the goodwill of supernatural beings, and at the same time of strengthening their own super- natural attributes so that good fortune is likely to occur. This is by the practice of sxetsta, ceremonial chastity, of which the basis is that a man must not hold intercourse except after certain periods of continence. To understand this, it is neces-