An ablative for the Greeks? Frischlin vs. Crusius on grammar (II)

In the new “Ad fontes” feature of Adendros, I want to offer English translations of short source texts or text excerpts from the history of (Greek) language studies which struck me as particularly interesting, enlightening, or enticing. Today: part two of a grammar dispute between Philipp Nicodemus Frischlin and Martin Crusius, two sixteenth-century humanists who disagreed about the Greek case system