anushtana kramam from Sri.T R Chari's  web page.

amaavaasyaa  darsha  SraaddhaM	Sanskrit	Tamil
mahaaLaya  SraaddhaM	Sanskrit	Tamil
pratyaabdiika  SraaddhaM (tila  tarpaNa  riitiH)	Sanskrit	Tamil
pitRRi  paaramparyA	Sanskrit	Tamil

Mirrored here for easy reference.