Ah, see I did not know there were no super spiders. I will make a note of that in my little genetics thing I'm putting together.
So a ....
Spider X Albino will give you normals, het albino normals, and het albino spiders. Gotcha. I can see now that the cross would not give you spiders, since the other snake has no spider trait. (Ah I am starting to understand bit by bit)