[49] Letter.

[50] Philadelphia Medical and Surgical Reporter, Nov. 9, 1878.

[51] Ibid.

[52] Ibid.

[53] American Journal of Insanity, 1878, p. 367.

[54] New York Medical Record, 1872, p. 106.

[55] Wiener Med. Wochenschrift, Feb. 28, 1874.

[56] The Clinic, March 2, 1872.

[57] Philadelphia Med. and Surg. Reporter, Jan. 16, 1875.

[58] Druggists’ Circular and Gazette, Nov., 1879