[23] Virchow’s Archiv für Pathologie, Anatomie, und Physiologie, Band 179, 1905.
[24] Société de Médecine et de Chirurgie de São Paulo (Brazil), June 15, 1904.
[25] Medical Record, September 15, 1900.
[26] Lancet, January 2, August 20, October 22, 1904, and September 23, 1905.
[27] Proceedings of the Royal Society, vol. lxxi., 1903.
[28] “The Constitution of Snake-venom and Snake-sera,” University of Pennsylvania Medical Bulletin, vol. xv., 1902, p. 345.
[29] Fontana, “On Poisons,” translated by J. Skinner: London, 1787.
[30] Smithsonian Reports, 1854.
[31] Smithsonian Contributions to Knowledge, 1860.
[32] Medical Times and Gazette, vol. ii., 1873.