2. The submission may be by the act of the parties simply, or through the medium of a court of law or equity. When it is made by the parties alone it may be in writing or not in writing. Kyd on Aw. 11; Caldw. on Arb. 16; 6 Watts~ R. 357. When it is made through the medium of a court, it is made a matter of record by rule of court. The extent of the submission may be various, according to the pleasure of the parties; it may be of only one, or of all civil matters in dispute, but no criminal matter can be referred. It is usual to put in a time within which the arbitrators shall pronounce their award. Caldw. on Arb. ch. 3; Kyd on Awards, ch. 1; Civ. Code of Lo. tit. 19 3 Vin. Ab. 131; 1 Supp. to Ves. jr. 174; 6 Toull. n. 827; 8 Toull. n. 332; Merl. Repert. mot Compromis; 1 S. & R. 24; 5 S. & R. 51; 8 S. & R. 9; 1 Dall. 164; 6 Watts, R. 134; 7 Watts, R. 362; 6 Binn. 333, 422; 2 Miles, R, 169; 3 Bouv. Inst. n. 2483, et seq.