cast lots] Had their courses assigned to them by lot. over against] So many courses of these Levites, as there were courses of priests: thus herein the Levites courses were answerable swerable to the priests; four and twenty of the one, v. 18. and four and twenty of the other. the principall, &c.] The greatest and the meanest were all set in their severall courses. See Chap. 25. 8.