[154] Brit. Med. Journ., Dec. 14, 1907, p. 1706.
[155] See also Nuttall, Herter Lecture on Spirochætosis, Parasitology, v, p. 269.
[156] C.R. Acad. Sci., cliv, p. 1636; clv, p. 481.
[157] Journ. Exptl. Med., xvi, p. 261.
[158] Journ. Exptl. Med., xv, p. 466.
[159] Journ. Exptl. Med., xvi, p. 202.
[160] Ibid., p. 205.
[161] Ibid., p. 205.
[162] Ibid., p. 208.
[163] Ibid., p. 620.