Among the highest class of animals--the Mammals--familiar illustrations
are dogs and cats, horses and asses, cattle, elephants, camels, and the
like. Birds include the domesticated pigeons, fowls, ducks, ostrich,
peacock, canary, and others. Among fishes, goldfish and carp belong to
the domestic class; while the honey bee and the silkworm moth belong to
the lowest domestic group--the insects.