CHAPTER I—INTRODUCTORY: THE CELTS In dealing with the subject of ‘Celtic Religion’ the first duty of the writer is to explain the sense in which the term ‘Celtic’ will be used in this work.  It will be used in reference to those countries and districts which, in historic times, have been at one time or other mainly of Celtic speech.  It does not follow that all the races which spoke a form of the Celtic... more...