Investigating the curious Joachim of Fiore, following up on a note (in book on age of Giotto by Hayden Maginnis) which relates him to St. Francis & Fransciscans. There are connections with Joyce & Vico. (Joachim & I share name-day/birthday - May 29).) Discovered the ring-designs I'd been obsessively drawing in notebook (as part of attempt to "plot" Fontegaia poem) are like one of Joachim's (he was a very inventive geometer & numerologist-interpreter of obscure Trinitarian theology)...