[2]. Cold water, cold air, respiration of air with less oxygen.

[3]. Vegetable mucilages.

a. Seeds.—Barley, oats, rice, young peas, flax, cucumber, melon, &c.

b. Gums.—Arabic, Tragacanth, Senegal, of cherry-trees.

c. Roots.—Turnip, potatoe, althea, orchis, snow-drop.

d. Herbs.—Spinach, brocoli, mercury.

[4]. Vegetable acids, lemon, orange, currants, gooseberries, apples, grape, &c. &c.

[5]. Animal mucus, hartshorn jelly, veal broth, chicken water, oil? fat? cream?

[6]. Mineral acids, of vitriol, nitre, sea-salt.

[7]. Silence, darkness.

[8]. Invertentia in small doses, nitre, emetic tartar, ipecacuanha given so as to induce nausea.

[9]. Antacids.—Soap, tin, alcalies, earths.

[10]. Medicines preventative of fermentation, acid of vitriol.