Scope and Contents From the Series: This series is a miscellany comprised of manuscripts of articles; correspondence relating to these articles; notes and scientific data; and outlines of lectures either given by Dr. Wolff or attended by him. Most of the manuscripts here seem to have been eventually published; only those manuscripts with substantive emendation have been retained. Dr. Wolff's practice seems to have been to file letters relating to a specific article in that article's folder. While sometimes routine, this...