Kalmyks Hat sect. The religion is derived from the Indian Mahayana form of Buddhism. In the West, it is commonly referred to as Lamaism, from the name of the Tibetan monks, the lamas ("heavy with wisdom"). Prior to their conversion, the Kalmyks practiced shamanism. Historically, Kalmyk clergy received their training either on the steppe or in Tibet. The pupils who received their religious training on the steppe joined Kalmyk monasteries, which were active centers of learning. Many of these monasteries operated out of felt tents, which accompanied the Kalmyk tribes as they migrated. The Oirats maintained tent monasteries throughout present-day eastern
Southern, Eastern and Northern Buddhism provides additional evidence that the form of Buddhism practiced in the "Northern" territories likely retains many non-Mahayana influences. Furthermore, in certain regions of China and East Asia (notably in Southern China), non-Mahayana forms were sometimes dominant. Vietnam represents an interesting case of a country lying in the liminal region between the Northern and Southern Buddhist schools. As might be expected, Vietnamese Buddhism shows both a strong Mahayana and Theravada influence. Southern, Eastern and Northern Buddhism "Southern Buddhism", "Eastern Buddhism" and "Northern Buddhism" are geographical terms sometimes used to describe the styles of Buddhism practiced in Asia. "Southern Buddhism" represents Buddhism