Note 106 — ROMAN PEOPLE (continued 2)
Reading edition
e.g. the October horse, which also occurred on the Ides; see R.F. p. 241 foll.; and the festival of Anna Perenna, also on Ides (March 15), R.F. p. 50 foll. It is just possible that all the three festivals were originally in the old calendar, and dropped out because the mark of the Ides had to be affixed to the day in the first place. See Wissowa, Gesammelte Abhandlungen, p. 164 foll.; R.F. p. 241.