A mosquito offers to help an old man to discoverthe tastiest piece of meat, and free himfrom a terrible snake that wants to eat him.In compensation the old man provides the insectwith iron dentures so that no victim can escape,but the smart insect will use them to satisfyits excessive voracity…In a humoristic key, this traditional Chinese tale,of an aetiological nature, reveals why the mosquito,instead of speaking, emits a buzzing soundas if it were a war cry and lets us knowwhy snakes eat mice and swallowsare man’s friends.