Touch, errors of, [192].

Trees, living part of, [42]-43;

growth of, [48]-49, [53]-54.

Vaccination, [279] and following.

Vine, climbing of, [153]-154.

Worms, feeding of, [245];

repair of injuries to, [305] and following, [311] and following;

monsters, 314.

Yeast, [46], [71], [292].