“…As did earlier parts (Greenway, 1973(Greenway, , 1978(Greenway, , 1987LeCroy and Sloss, 2000;and LeCroy, 2003and LeCroy, , 2005and LeCroy, , 2008and LeCroy, , 2010and LeCroy, , 2011and LeCroy, , 2012, this part follows the order of Peters' Check-list series, which is the basis for the arrangement of the AMNH collection. Since the publication of this series, DNA studies of the phylogeny of birds have greatly altered our understanding of avian relationships, about which there is as yet no consensus of opinion.…”