Title from pdf caption (ProQuest APS Online, viewed Jan. 4, 2008).
Special Numbering:
Vol. 21, planned as general index and never published, omitted in numbering. Vols. for called no. <109-237>; vols. 38- 1838- called also new ser. v. 1- Vols. 4-11, 13-18, 28-29, 31, 42 are the London ed.