[Buddha-l] Jhanas in Mahayana & Tibetan

[Jackhat1 at aol.com]

In a message dated 9/25/2010 9:49:07 A.M. Central Daylight Time,  
rahula_80 at yahoo.com writes:

Can  someone point me to Mahayana and Tibetan sources of the description of 
the  
eight jhanas?
==
Is it correct that the suttas in the Pali Canon only name 4 jhanas?  The 
other 4 are called the 4 immaterial absorptions.
 
jack