Fig. 9.

Fig. 10.

Fig. 11.


[1]. Orfila and Ollivier, Archives Générales de Médecine, x. 360.

[2]. Philosophical Transactions, 1811, 186.

[3]. Experiments on Opium, 1795, reprinted in his Treatise on Fevers, iv. 697.

[4]. Essay on the Operation of poisonous agents on the living body, 1829, p. 63.