OOP; spoiler, purebloods and squibs

[jmgarciaiii]

No: HPFGUIDX 65359

--- In HPforGrownups at yahoogroups.com, "peterhbrine" 
<peterhbrine at y...> wrote:
> --- In HPforGrownups at yahoogroups.com, "xine48" <olsonac at u...> 
wrote:
> > spoiler space
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> I don't think the sorting hat meant only purebloods can enter 
> Slytherin, otherwise how did Tom Riddle get in?  Preferring 
members 
> who are pure of blood just fits their snooty, ambitious exclusive 
> nature.

Maybe I am blanking out...but what is the exact reference to TR 
being a Slyth? (from CoS? When HP goes into the diary's memory? All 
it says is that he had a silver prefect badge...)

-Joe in SoFla