Footnote

a Sele lifikile kwiNational Museum of Natural History yaseWashington, kwiNatural History Museum yaseLos Angeles nakwiMuseum of Natural History eDenver, eColorado. Ezinye iindawo ezikuludwe ziquka iScience Museum yaseMinnesota eSaint Paul neMuseum of Science yaseBoston, ndawonye neMuseum of Civilization yaseKhanada eOttawa.