introduces the arts of the missionary, or civilized and gift-bringing
wanderer.

15. The Conquest of the Sea. The helmsman, and two rowers, rowing as
Venetians, face to bow.

16. The Conquest of the Earth. Hercules victor over Antaus. Beneficent
strength of civilization crushing the savageness of inhumanity.

17. Agriculture. The oxen and plough.

18. Trade. The cart and horses.

19. And now the sculpture over the door of the tower. The Lamb of God,
expresses the Law of Sacrifice, and door of ascent to heaven. And then
follow the fraternal arts of the Christian world.

20. Geometry. Again the angle sculpture, introductory to the following
series. We shall see presently why this science must be the foundation
of the rest.

21. Sculpture.

22. Painting.

23. Grammar.

24. Arithmetic. The laws of number, weight, and measures of capacity.

25 Music. The laws of number, weight (or force), and measure, applied