Dear Jerry,
Was that one of the texts set by Gesualdo di Venosa for his First Volume of Madrigals for five unaccompanied voices? I recorded the volume in Milan in the early 60s but don't recall this one. I'm a little disappointed, by the way, that no one recognized the excerpt from the previously unpublished second addendum to Dar, which my father had conceived as an additional chapter but then suppressed. It is part of the non-evolutionary theory of the fictional naturalist father of Fyodor Godunov-Cherdyntsev, a fascinating text that I Englished for Nabokov's Butterflies, wherein it is titled "Father's [i.e. the senior Godunov Cherdynstev's] Butterflies." It contains a reference to the Kallima or dead-leaf butterfly, as well as an image Jansy cited in another, far-reaching context: the writhing root that nature(and nature alone) could animate simply because it resembled a snak
e. So, whether it's "L'amor..." or gravitation, I suggest you take it up with VN. I was only the poor translator.
Dmitri