I'm not sure if this is a bug or just an aspect of the game... But if a villager dies while i'm not actively playign the game, they never get buried. Today for example, I started a new game errrm... yesterday sometime... anyway...
I just logged on and saw three corpses of villagers. I caught one, but the other two decomposed before the villagers got to their corpses. It's like they dont' bury them unless i am actively playing.
I noticed villagers disappearing with no gravestone, but just passed it off as me losing my mind or the GY being full. heh... but today I actually caught them not getting burried when there was only one other person in the grave yard. I now have 5 deaths and 2 grave stones... :| Any idea what's goin on here?