A reprint of the monograph on the subject of the Hindu and Tantric Buddhist deity, Hayagriva, its origins and evolution. This work by one of the most respected Sinologists of the 20th century was derived from the author's doctoral thesis. First reprint of the definitive monograph on the subject of the Hindu and Tantric Buddhist deity Hayagriva (Tib. rTa mgrin: 'Tamdrin', usu. an emanation of Amitabha or Aksobhya), its origins and evolution as the cult migrated from India north and east through Tibet and China to Japan. This previously scarce and much sought-after work by one of the