—— expressed externally, [iii. 2. 3].

—— essential, [ii. 2. 3]. [iii. 3. 1. 2].

Oiled silk, [vii. 3. 13].

Oleum, animale, [vi. 2. 1]. [vi. 3. 4].

—— ricini, [iii. 3. 5. 4].

Onions, [iii. 3. 3].

Opium, [ii. 2. 1. 2]. [iv. 1. 2].

—— in nervous pains, [ii. 2. 1. 5].

—— in inflammatory pains, [ii. 2. 1. 6].

—— increases all secretions and absorptions, [ii. 2. 1. 1].