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The reason why Portunus was conflated is in his identification with Palaimon, the son of Leucothea. Since Matuta the goddess of dawn had been interpreted as Leucothea her myth implied the story of her and her son Palaimon or Melicerte. Portunus was originally connected with the storing of grains? However his figure was already originally connected with doors and passages as is shown by the key in his hand and the ritual of throwing the keys in fires, which must be very ancient. On the whole he is very similar to Janus.Aldrasto (talk) 12:25, 17 January 2010 (UTC)
My doubts remain. I think the authority on which the contributor draw the information for this article must have confused Portunus and Consus. Consus was the god concerned with the storing of grains and his fetival was held just a few days later on Aug. 21. This is probably the reason of the confusion. Portunus is the god of passages, doors and harbours. He is in a way similar to Janus, though his function is more limited and his rank of course much lower. Janus being considered the initiator of everything, our universe, gods and man. If nobody objects I shall edit the text of the article: of course I will be glad to discuss the topic in advance with previous editors.Aldrasto (talk) 08:50, 18 January 2010 (UTC)