—— observes solar days, [xxxii. 6].

—— of the eye, [xxxiii. 3. 1].

—— of the bowels prevented by their continued action in sleep, [xviii. 2].

Inoculation with blood, [xxxiii. 2. 10].

Insane people, their great strength, [xii. 2. 1].

Insanity (see Madness) pleasurable one, [xxxiv. 2. 6].

Insects, their knowledge, [xvi. 15]. and [16].

—— in the heads of calves, [xxxix. 1].

—— class of, [xxxix. 4. 8].

Instinctive actions defined, [xvi. 1].