This seen is when Mrs.white demands that Mr. White makes the wish. But is too scared to so Mrs. White does is and Mrs. White thinks that Mr. White is scared of his own son. Then after she grants the wish she hears a knocking noise thinking that it is Herbert but its not its just the hand. Soon after Herbert gets out of his grave.
This is what happens at the end of the story when Mrs. White grants a wish to bring Herbert back to life. This is Herbert coming out of the grave to get back home to his parents house. Herbert comes out of the grave as a monster and is green like a monster.
This is what happens when Herbert come back home. When Mr and Mrs. white see Herbert they are surprised that he is alive and didn't think it was possible but he looks very different. They keep on questioning him self how is it possible and what made him look so different.