.
M.Cetaces. .
. .
M.Ongules. M.Onguicules. The next innovation made by Lamarck in the _Extrait du Cours de Zoologie_, in 1812, was not a happy one.
In this work he distributed the fourteen classes of the animal kingdom into three groups, which he named _Animaux Apathiques_, _Sensibles_, and _Intelligens_.