Page 14

Then [it] speaks of arithmetic and what it comes from.
Folio 24
Then [it] speaks of geometry. Folio 25
Then [it] speaks of music. Folio 26
And then of the art of astronomy. Folio 27
Then [it] speaks of nature, how it works and
what it is. Folio 30
Of the form of the heavens. Folio 34
How the four elements are set. Folio 35
How the earth holds itself just in the middle
of the world. Folio 36
What the roundness of the earth is. Folio 39
Why God made the world round. Folio 39
Of the movements of the sky and of the seven planets
and of the smallness of the earth compared to the sky. Fo[lio] 40
This ends the first part of the rubrics of this
present book.
This begins the second part of this pre-
sent book. And [it] states first:
How the earth is divided and what part [of it]
may be inhabited. Folio 42