I had a very similar incident with a dog just last week! Although I've never heard of the spca, so I tried to call all these numbers and couldn't get anyone. I ended up taking him to the humane society. No collar either, and was on a major intersection, I almost ran over him! Hopefully someone took him or found him. Guess you went over and beyond by letting him in with your dog! I'm always overly cautious, but then I guess I shouldn't take strays with the kids.
I bet the reason your H started thinking about keeping the dog because you were not trying to, and you were talking about the spca and stuff. it's that reverse psychology!
Me 33 H 34 S9 S3 M 6 yrs (2gether 11 yrs) EA/PA 1/2006 DB 5/2006 H wants D 6/2006 H wants ME 8/2006 H "said" PA/EA over 8/2006 H erased OW off phone! 2/2007
"It is far better 2 choose humility & change oneself, than 2 wait in vain trying 2 chang someone else."