HOW THE FATHER-IN-LAW OF THE NARRATOR TREATED BONES.

"Dream" was the one who threw bones upon a heap; therefore, I did so, while I felt that I had married into them (i.e. into the family).

I threw the bones upon a heap, (and gave the shoulder blade bones to the dogs, while I felt that my father-in-law, "Dream," was the one who did thus. Therefore, "Smoke's Man" (the son of "Dream") does the same.