The history of partial divorce in Wisconsin is soon told. The provisions of the act of 1849 are still in force. The causes of separation from bed and board, forever or for a limited time, there recognized are (1) the fourth, fifth, and sixth grounds of full divorce above specified; (2) extreme cruelty of either spouse; (3) on complaint of the wife when the husband, being of sufficient ability, shall refuse or neglect to provide for her; or (4) when his conduct toward her is such as may render it unsafe and improper for her to live with him. It is expressly declared that a divorce from the bond of matrimony may be decreed for either of the three causes last named, "whenever, in the opinion of the court, the circumstances of the case are such that it will be discreet and proper to do so." From the somewhat awkward arrangement of its provisions, therefore, the general effect of this statute appears to be that a full divorce _may_ be granted for any ground recognized by it, provided the court deems it prudent to exercise its discretionary authority. Furthermore, it must be noted that by the existing law, just as in 1849, the circuit court is empowered to allow separate maintenance when a partial divorce is denied.[444] [444] _Cf._ _Rev. Stat._ (1849), 393-98; _ibid._ (1858), 623-28; _ibid._ (1872), II, 1269-76; _Ann. Stat._ (1889), I, 1362-75; and SANBORN AND BERRYMAN, _Wis. Stat._ (1899), I, 1702-20. We may next pass to the long list of new states in the West and Northwest whose generous boundaries spread over the Mississippi valley, the vast regions of the Rocky Mountains, and the Pacific slope. The course of legislation in Minnesota has run closely parallel to that of Wisconsin, though it is divergent in some important details. In 1851, seven years before the admission of that state to the Union, a statute logically declared bigamous marriages and those within the forbidden degrees, if solemnized in the territory, void without a decree. At the same time, as causes of absolute divorce in favor of the aggrieved were sanctioned (1) adultery; (2) impotency; (3) sentence to imprisonment in the penitentiary after the marriage, no subsequent pardon effecting a restoration of conjugal rights; (4) wilful desertion for one year next preceding the commencement of the suit; (5) cruel and inhuman treatment, whether practiced by using personal violence or by any other means; (6) habitual drunkenness for one year immediately preceding the filing of the complaint. By this act no provision is made for partial divorce.[445] The term of wilful desertion was increased from one year to three years in 1866;[446] but in 1895 the shorter period was restored, so that under the existing law the six grounds of absolute divorce as sanctioned in 1851 are recognized, except that "cruel and inhuman treatment" is constituted a cause, the original explanatory clause being omitted.[447] On the other hand, limited divorce is now provided for. Since 1876, on complaint