16. The Universe according to Cosmas Indicopleustes, Sixth
Century. _From reproduction by Montfauçon_ 36
17. Cosmas' Illustration Confuting the Existence of Antipodal
Peoples. _From reproduction by Montfauçon_ 37
18. Hereford World Map, ca. 1283 38
19. The Earth Pictured as a Sphere by Nicolas d'Oresme,
1377. _From reproduction in Santarem's Atlas_ 38
20. The Constellation Taurus. _From Rico y Sinobas' reproduction
of Alfonsian Tables_ 42