Stimulated by the report of Prof. Dumoulin of Sophia University in Tokyo, the researcher visited Rangoon, Bangkok and Ceylon in the summer of 1964, and studied the satipatthana meditation there. It was confirmed that the method of mindfulness devised by Mahasi Sayadaw has been developed in Thailand and Ceylon, and two other methods were also found in Rangoon : the one, devised by U Ba Khin, and...