Direction 18 Designation under the Plenary Powers of a lectotype for the nominal species Columba macroura Linnaeus, 1758, to Secure that that name shall Apply to the Mourning Dove and that the name Columba migratoria Linnaeus, 1766, shall be the oldest available name for the Passenger Pigeon {Direction supplementary to Opinion 61)
Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1955, in volume 1C, issue C.9, pages 113-132
Date published:1955-08-05