Aries Design: Truly Aries, or actually based on Capricorn?

[eggyk]

A passage in You are not allowed to view links. Register or Login to view. caught my eye today that was quite surprising. In a section about the calendar, each chapter ends with a statement saying which zodiac sign the sun is in during that month. It is interesting for 2 reasons. 

Firstly, the months stated are the same as the annotations on the VMS zodiacs, and are effectively a representation of the "Sol in XYZ" that you see halfway down table calendars. But more relevant to this thread is this passage at the end of the April section on You are not allowed to view links. Register or Login to view. (page 171): 

   

"In dem mond ist die sune in dem zeichen des steinbock oder wider"
"In this month the sun is in the sign of Capricorn or Aries"

The entry at the end of January has no such confusion, simply calling it Capricorn: 
   

For the rest of the months, the only time "oder" is used in this way is to include another name for scorpio:

"Scorppion oder tharant"
   

So this conflation of the two signs has now not only appeared in visual depictions of the two, but actually also in text.  This scribe had no issue with crossing out mistakes everywhere, but did not do so here. This probably still was a mistake, but it certainly shows that the two signs were indeed conflated in some way during the 15th century.