Welches alle Weysn sich hoch erfrawen."

The three persons in Plate 13. appear first in Plate 11. The superscription is—

"Vater, Sohn, Führer, haben sie beym Handen:

Corpus, spiritus, anima, werden verstanden."

In Plate 13. the father's mouth may well be "of a preternatural wideness" as he swallows the son; and in Plate 14. undergoes a sudorific in a curiously-furnished bedchamber. In Plate 15. the three are seated upon one throne. The stone is found. They also will find it who strictly follow Dr. Lambspring's directions, as given in a rhyming preface. Only one ingredient is left out of the prescription:

"Denn es ist nur ein Ding allein,

Drinn alls verborgn ist ins gemein.

Daran solt ihr gar nicht verzagen,

Zeit und Geduld müst ihr dran wagen."

What is it?