Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The use of objects supposed to have mysterious power for magically influencing the affairs and conditions of life seems to have been almost universal among the native tribes of North America. Some groups, as might be expected, Show a greater development along this line than others, while considerable variation in the character and use of the powerful objects is seen in the various types of culture.