Some more XD mons and their PID/Ability
Roselia - 0001 1001 1011 0110 1110 1000 1010 1111 - Ability 0 (Natural Cure) - match
Snorlax - 1101 0110 1001 1100 0101 1100 1111 1111 - Ability 0 (Immunity) - match
Chansey - 1010 0111 0101 0010 1010 1111 0101 1100 - Ability 0 (Natural Cure) - match
Starmie - 1100 1110 0111 1000 0001 0110 0101 1010 - Ability 0 (Illuminate) - Has Natural Cure ability instead
Ralts - 0110 1010 1010 1101 0111 1011 0110 1000 - Ability 1 (Trace) - Has Synchronize ability instead
Rhydon - 0110 1101 1010 1110 0010 1101 1001 0001 - Ability 0 (Lightningrod) - match
Manectric - 1000 1101 0111 0011 1011 1000 1110 1010 - Ability 1 (Lightningrod) - match
As you can see there are two pokemon that do not follow your prediction in the research thread.
http://i.imgur.com/FSIKK.png