We are printing this morning's communication chiefly as a warning to the men who feel called upon to keep Cambridge awake the greater part of the night. Disturbances of this sort have become more and more common until the office has laid down the law, and several men have had to fill the unwelcome role of public examples. The undergraduates must realize that they cannot break the law with impunity, and if they care to run the risk, they must put up with heavy punishment.