A testamentary dlsposition subsequent to a will, and by which the will ls altered, explained, added to, subtracted from, or confirmed by way of republlcatlon, but ln no case totally revoked. Lamb v. Lamb, 11 Pick. (Mass.) 376; Dunham v. Averill, 45 Conn. 79, 29 Am. Rep. 642; Green v. Lane, 45 N. C. 113; Grimball v. Patton, 70 Ala. 631; Proctor v. Clarke, 3 Redf. Sur. (N. Y.) 448
