LIST OF ILLUSTRATIONS
| A Missionary Looking Over the Edge of the World | Frontispiece |
| FIG. | PAGE |
| 1.—Tahitian Map | 2 |
| 2.—The World as Supposed to Have Been Conceived by Hecatæus | 11 |
| 3.—The World According to Herodotus b.c. 450 | 15 |
| 4.—The World According to Ptolemy | 28–29 |
| 5.—The World According to Cosmas Indicopleustes | 35 |
| 6.—Beatus’s Map | 38 |
| 7.—The Hereford Map | 47 |
| 8.—Chart of the Mediterranean, 1500, by Juan de la Cosa | 49 |
| 9.—Scaph | 91 |
| 10.—Astrolabe | 91 |
| 11.—Quadrant | 92 |
| 12.—Cross-staff | 94 |
| 13.—Davis’s Back-staff | 95 |
| 14.—Pretorius’s Plane-Table | 96 |
| 15.—Ramsden’s Theodolite | 97 |
| 16.—Modern Five Inch Transit Theodolite | 98 |
| 17.—The World According to Mercator (1587) | 100 |