Oils, volatile, their actions, [227], [267], [278].

Opium, [346].

Pain, treatment of, [342].

Pereira, Dr., on action of medicines, [40], [131], [162], [228].

Phosphoric acid, not astringent, [262].

Phosphorus, its actions, [229], [311].

Pitch, used in Lepra, [214].

Potash, [315].

Purgatives, [286].

Quinine, [317].