Jo heard, but Amy was just struggling to her feet, and did not catch a word. Jo glanced over her shoulder, and the little demon she was harboring said in her ear⁠—

“No matter whether she heard or not, let her take care of herself.”

Laurie had vanished round the bend; Jo was just at the turn, and Amy, far behind, striking out toward the smoother ice in the middle of the river. For a minute Jo stood still, with a strange feeling at her heart; then she resolved to go on, but something held and turned her round, just in time to see Amy throw up her hands and go down, with the sudden crash of rotten ice, the splash of water, and a cry that made Jo’s heart stand still with fear. She tried to call Laurie, but her voice was gone; she tried to rush forward, but her feet seemed to have no strength in them; and, for a second, she could only stand motionless, staring, with a terror-stricken face, at the little blue hood above the black water. Something rushed swiftly by her, and Laurie’s voice cried out⁠—

“Bring a rail; quick, quick!”