[24]. Liber viii, cap. 1.
[25]. Translated into Latin by Father Angelus, Paris, 1681, p. 21.
[26]. P. 287.
[27]. P. 88.
[28]. See Medicinal Use of Different Kinds of Airs, by Dr. Pearson. Birmingham, 1795.
[29]. Researches concerning Nitrous Oxide, p. 556.
[30]. See 32nd Congress, 2nd Session [Senate] Rep. Com. No. 421, p. 17.
[31]. Vol. iv, p. 158.
[32]. A Defence of Dr. Charles T. Jackson’s Claims to the Discovery of Etherization. Boston, 1848.
[33]. The Inhalation of the Vapour of Ether in Surgical Operations. By John Snow, M.D. 1847.