Buddhism is divided into two great schools, Mahayana and Hinayana. Both systems originated in India, but since the former predominates in China, Japan, Nepal and in a modified form, in Tibet and Mongolia, while the latter is confined almost exclusively to Ceylon, Burma, and Siam; they are often and rather incorrectly known as Northern and Southern Buddhism. Mahayana is again divided into unreformed and reformed branches, the unreformed branch being found all over ...