I was there and it was always called "The Ethernet". When the 10 Mb standard came into being, it was then referred to as "The Experimental Ethernet". If you want to be *really* pedantic, you could refer to it as the "2.94 MHz Ethernet" --- but that would be silly.
If you'd like to see how Aloha inspired Metcalfe, read this: http://www.historyofcomputercommunications.info/Book/6/6.7-EthernetRobertMetcalfeXeroxPARC71-75.html