 Heracleion is also mentioned in the twin steles of the Decree of Nectanebo I (the first of which is known as the 'Stele of Naukratis'), which specify that one tenth of the taxes on imports passing through the town of Thonis/Herakleion were to be given to the sanctuary of Neith of Sais.The city is also mentioned in the Decree of Canopus honoring Pharaoh Ptolemy III, which describes donations, sacrifices and a procession on water.In 1933 an RAF commander flying over Abu Qir Bay saw ruins under the water.