Mercury is moving on the sky much faster than all the other planets (except the Sun and Moon). In one or two days it can noticeably change its position on the ecliptic. We should mention that a typical horoscope shows a date with an accuracy from one to several days and sometimes even more than one week. We are not sure about the intentional accuracy of the dates encoded in the Egyptian zodiacs, but it is likely that it was up to several days. As in the old epochs the time was sometimes measured in weeks not in days, it is probable that the Egyptian zodiacs were intended to show the astronomical picture for the whole week when some important events related to this zodiac took place. If it was indeed the truth, then a horoscope was a perfectly sufficient tool to commemorate an important date with such accuracy. However, in order to keep up with the fast changing position of Mercury, which within one week could move from a visible to invisible position (or vice versa), sometimes it was necessary to record its multiple positions. This would explain the fact that on some Egyptian zodiacs Mercury appears in two positions simultaneously. For example on the Long Denderah zodiac, Mercury is shown in two close to each other positions, in one of which it was visible but in another it wasn't.
The fact that Mercury is shown on the Long Denderah zodiac two times, was already noticed by N.A. Morozov40. On Figure 5.45 (DL) we show a fragment of the Long Denderah zodiac with two symbols representing Mercury. On the left from Taurus, Mercury is shown in visible position represented by a couple of males — one of them with a walking stick and another one, with two feathers on its head (which are features of Mercury), is holding vertically a snake. The visibility of
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The pathology of the poet says that the undevout astronomer is mad the pathology of the very plain man says that the genius is mad and between these extremes, which stand for ten thousand analogous excesses, the sovereign reason takes the part of a moderator and does what it can. I do not think that there is a pathology of the occult dedications, but about their extravagances no one can question, and it is not less difficult than thankless to act as a moderator regarding them.