Resemblances, small, between man and the apes.
Retrievers, exercise of reasoning faculties by.
Revenge, manifested by animals.
Reversion, perhaps the cause of some bad dispositions.
Rhagium, difference of colour in the sexes of a species of.
Rhamphastos carinatus.
Rhea Darwinii.
Rhinoceros, nakedness of; horns of; horns of, used defensively; attacking white or grey horses.
Rhynchaea, sexes and young of.
Rhynchaea australis.