vestigial

• This one's horns were vestigial, and his tail was a soft tuft. —  Question Quest
• Not a particularly ferocious demon; this one's horns were vestigial, and his tail had a soft tuft instead of a cutting barb. —  A Spell for Chameleon
• The horns, so prominent in the savages Stevens had seen, were in this highly intelligent race but vestigial--three small, sharp, black protuberances only an inch in length, one surmounting each ear, outlining the lofty forehead. —  Spacehounds of IPC
• In the word dough as correctly pronounced the final letters are similarly vestigial, although in the phonetic relative tough they are still sounded The evolution of the art of writing appears with equal clearness when we compare the texts of modern peoples with inscriptions found on ancient temples and monuments and tablets. —  The Doctrine of Evolution Its Basis and Its Scope
• In the regions where this apparatus is vestigial, and notably in the face, this abortive attempt of the hair-follicles and their sebaceous appendages to produce hairs tends only to disorganization, and simple comedones or pustular acne pimples are liable to occur. —  Studies in the Psychology of Sex, Volume 4 Sexual Selection In Man

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