The action is in contract on two promissory notes given by two different persons with an assignment by each of wages to be earned in the future in the defendant’s service (defendant in error here, and we will so designate him, and the plaintiff in error as plaintiff). The assignments were duly recorded, but were not accepted in writing by defendant. The assignor in the second assignment was a married man whose wife did not consent to the assignment.
Judgment was entered in the Superior Court for the defendant, which was affirmed by the Supreme Judicial Court of Massachusetts. 200 Massachusetts, 482.
The contention of plaintiff is (1) that the provisions of §§ 7 and 8 deprive it of due process of law, and (2) that § 6 deprives it of the equal protection of the laws.
(1) To sustain this contention it is urged that the statute being an exercise of the police power of the State, its purpose must have “some clear, real and substantial connection” with the preservation of the public health, safety, morals or general welfare, and it is insisted that the statute of Massachusetts has not such connection and is therefore invalid.
This court has had many occasions to define, in general terms, the police power and to give particularity to the. definitions by special applications. In Chicago, Burlington & Quincy Ry. Co. v. Drainage Commissioners, 200 U. S. 561, 592, it was said that “the police power of a State embraces regulations designed to promote the public convenience or the general prosperity, as well as regulations designed to promote the public health, the public morals or the public safety,” and that the validity , of a police regulation “must depend upon thacircumstánces of each case and the character of the regulation, whether arbitrary or reasonable and ‘whether really designed to accomplish a. legitimate public purpose.”
In Bacon v. Walker, 204 U. S. 311, 318, it was decided that the police power is not confined “to the suppression