Numbering: Vol. numbers irregular: v. 53-103 are each in 2 pts. and are later counted as v. 53-154; v. 155-199 called new ser., v. 1-45; v. 200 omitted in numbering; v. 201-219 called also new ser., v. 1-19; v. 220-224 called also new ser., v. 1-5; v. 225-241 called "entirely" new ser., v. 1-17; v. 242-248 called v. 240-246.