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Keywords from Image Description:
A monograph of the Bucerotid or family of the hornbills . Sirnt lith Hanltart imf BUCRVUSABYSSNICUS RHINOPLAK VIGIL RHINOCEROS ANTHRACOCEROS CORONATES DICHOCEROS BICORNIS CRANORRHINUS CASSIDIX HYDROCORAX PLANICORNIS PENELOPIDES MANILLA CERAT GYMNA ELATA Illustration biodiversitylibrary org title Elliot Daniel