Shuddering from cold, [xxxiv. 1. 1]. and [2].

Sight, its accuracy in men, [xvi. 6].

Skin, skurf on it, [xxvi. 1].

Sleep suspends volition, [xviii. 1].

—— defined, [xviii. 21].

—— remote causes, [xviii. 20].

—— sensation continues in it, [xviii. 2].

—— from food, [xxi. 1].

—— from rocking, uniform sounds, [xxi. 1].

—— from wine and opium, [xxi. 3].