745. That by the “fowl” or “bird” in general are signified thoughts, may be seen from what has been said before concerning birds-that they signify things of the understanding, or things rational. But there they were called “fowls of the heavens” and here only “the fowl;” and therefore they signify thoughts in general. For there are many kinds of birds, both clean and unclean, which are distinguished in the fourteenth verse (Genesis 7:14) into the “fowl” the “flying thing” and the “winged thing.” The clean birds are thoughts of truth; the unclean are false thoughts; concerning which, of the Lord’s Divine mercy hereafter.