The data to show this type of effect is entabled for the monovalent group, children and adults, in Tables 7a and 7b.

Thus all the treasure of our flowing years, / Our ebb of life for ever takes away.

“Mrs. Yule's chagrin and horror at what she called her son's base ingratitude knew no bounds ; at first it was even thought that she would never get over it. […]”

It is shown that for pure imaginary eikonals the relative error of O(10) can be achieved.