A young ostrich came to its mother, groaning with pain and with its wings tightly crossed upon its stomach.
"What have you been eating?" the mother asked, with solicitude.
"Nothing but a keg of nails," was the reply.
"What!" exclaimed the mother; "a whole keg of nails, at your age! Why, you will kill yourself that way. Go quickly, my child, and swallow a claw-hammer."