1918. The epidemic of influenza at Camp Devens, Mass. Jour. Lab. and Clin. Med., IV, 330. 1919. An epidemiologic fragment. Med. Quart., Ottawa, I, 325. ZINSSER, H., BROOKS, H., ET AL. 1920. Manifestations of influenza during the earlier periods of its appearance in France. Med. Rec., XCVII, 459. ZINSSER, HANS. Influenza. Oxford Medical Papers (to be published). A most comprehensive bibliography of the literature covering the epidemiology of influenza up until 1896 is to be found in Leichtenstern’s original monograph. APPENDIX [Illustration: FORM A.—Household record, used in Boston influenza census. (See page 127.) ] [Illustration: FORM A.—(_Continued._) ] [Illustration: FORM B.—Individual Record obtained for each person in every family canvassed, whether the individual gave a history of influenza (1918 or 1920) or not. (See page 127.) ] [Illustration: FORM B.—(_Continued._) ] ------------------------------------------------------------------------ TRANSCRIBER’S NOTES 1. Silently corrected obvious typographical errors and variations in spelling. 2. Retained archaic, non-standard, and uncertain spellings as printed. 3. Enclosed italics font in _underscores_. 4. Denoted superscripts by a caret before a single superscript character or a series of superscripted characters enclosed in curly braces, e.g. M^r. or M^{ister}. 5. Denoted subscripts by an underscore before a series of subscripted characters enclosed in curly braces, e.g. H_{2}O.