"You are not poisoned, dear," said Miss Harson, very quickly, after trying the twig herself; "for this is birch-wood, and it cannot possibly hurt you. But remember, Edie, that this must not happen again; _never_ put anything to your mouth unless you know it to be harmless. The birds and squirrels and other animals that are obliged to pick up their own living as soon as they are able to use their limbs have the faculty given them of knowing what is good for them to eat, but little girls are not intended to live in the woods, and they cannot tell whether or not the things they find there are fit to eat."