[115] Ibid.

[116] E. B. Vedder, Jour. Amer. Med. Assoc., LXVII (1916), 1494.

[117] McCollum and Davis, Jour. Biol. Chem., XXIII (1915), 181.

[118] Goldberger, Jour. Amer. Med. Assoc., LXVI (1916), 471.

[119] MacNeal, Jour. Amer. Med. Assoc., LXVI (1916), 975; Jobling, Jour. Infect. Dis., XVIII (1916), 501.

[120] Gasbarrini, Policlinico, November 14, 1915; abstract, Jour. Amer. Med. Assoc., LXV (1915), 2264.

[121] Holst and Frölich, Jour. Hyg., VII (1907), 619; Moore and Jackson, Jour. Amer. Med. Assoc., LXVII (1916), 1931.

[122] Jackson and Moody, Jour. Infect. Dis., XIX (1916), 511.

Transcriber's Notes:

Illustrations have been moved from the middle of a paragraph to the closest paragraph break. Missing page numbers are connected to blank pages and moved illustrations. The following illustrations have been moved to other pages: