sentences:  They cross over a small booby- trapped lake (which one of Bockner's men fell victim to earlier), only to be stopped by Bockner, who demands they surrender their diamonds to him.Quatermain places the diamonds on the central stepping stone that triggers the trap and tells Bockner to come take the diamonds himself if he wants them.Bockner does so and falls into the lake, only to be seized in the jaws of a Mokele-mbembe and dragged beneath the water.