Final answer:
Without the context of the specific O'Neill play being discussed or the associated text, it is not possible to determine what Jones discovers in the first scene.
Step-by-step explanation:
The question refers to a character named Jones and seems to pertain to a play by O'Neill. However, the excerpts provided do not specifically mention a play by O'Neill or a character named Jones discovering something. None of the excerpts matches the query about what Jones discovers in the first scene of O'Neill's play.
Therefore, to provide an accurate and helpful response, it is important to refer to the actual text of the specific O'Neill play in question, such as 'The Emperor Jones' or another one of his works. Without the proper context or the correct play in question, it is not feasible to determine what Jones discovers in the first scene.