4, Ev UT170E 6, Tlwv aurou - an utterly unmeaning phrase - becomes intelligible on retroversion-10s y 251, " on his very heart."
A more complicated case is illustrated by Sphaerobolus, where the entire mass of spores, enclosed in its own peridium, is suddenly shot up into the air like a bomb from a mortar by the elastic retroversion of a peculiar layer which, up to the last moment, surrounded the bomb, and then suddenly splits above, turns inside out, and drives the former as a projectile from a gun.
