d general application under our legal system. It is a rule of the state courts in respect to criminal proceedings in the as or other state courts. Milton Dairy Co. Great Northern Ry. Co., 124 Minn. i t 144 N.W. 764, 49 R.A.,N.S., 951; State ex rel. Kenmore Wood, 155 Mo. 425, 56 S.W. 474, 48 1-. . . 596. Fe