Could it be that you are now working with the energy they are known for? I believe that we have come from many places over many incarnations. I see procyon coming up now because you are focusing on working with their energies right now.
Off to check out the links provided by love9!
Dark wet places, eh? Sounds like a lot of emotional clearing work ahead...
edit:
Hey, check this out:
http://en.wikipedia.org/wiki/Procyon
Look at the etymology and mythology. Maybe something will jump out at you.