It would make some of the current p6i nargery a bit simpler, too.

We struck hands upon that, and said it was settled.

[…] I could see a man with his head buried forward towards a key-board, and his body swaying from side to side amid the storm of huge arpeggioed harmonies that came crashing overhead and round.

The protostoma with its wall—the protorhabdion—is the major part of the stoma.