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LIST OF ILLUSTRATIONS

PLATES

  1. THE FULL MOONFrontispeice
  2. Photographed at Jamaica by the expedition sent out by Harvard College Observatory.
  3. FACING PAGE
  4. PLATE A. ARTIFICIAL CRATERS
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    28
  5. The craters shown were formed artificially by various methods in order to illustrate different theories of the origin of the craters on the Moon.
  6. PLATE B. SCHROTER'S VALLEY
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    42
  7. Drawings of this formation made on different dates show changes which indicate volcanic activity.
  8. PLATE C. ICE ON THE MOON
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    46
  9. These photographs and drawings show the location and the melting of the lunar ice deposits.
  10. PLATE D. LUNAR CRATERS. MARS
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    56
  11. These drawings show changes in the lunar ice deposits and vegetation. The two central figures show the Canals of Mars.
  12. PLATE E. ERATOSTHENES
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    60
  13. Drawings and photographs of this formation show the lunar canals discovered in Jamaica.
  14. PLATE F. ERATOSTHENES
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    62
  15. Drawings and photographs of this formation show the lunar canals discovered in Jamaica.
  16. PLATE G. PLATO. MESSIER AND MESSIER A.
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    72
  17. Datails on the floor of Plato. Photographs showing changes in size and shape of the craters Messier and Messier A.
  18. PLATE H. LUNAR FANCIES
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    78
  19. Various objects imagined in the Moon. These drawings should be compared with the photograph of the full Moon, Plate C, Figure 2, which must, however, be turned upside down for this purpose.
  20. PLATE I. RICCIOLI'S MAP OF THE MOON
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    84
  21. The best early map, 1651.
  22. PLATE J. MAYER'S MAP OF THE MOON
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    80
  23. The first accurate map, 1775. A comparison of this plate with the Frontispiece and Plate I. illustrates the progress of selenography and methods of illustration at intervals of about 125 years.
  24. PLATE K. THE JAMAICA TELESCOPE
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    96
  25. The instrument with which the photographs and many of the observations were made. The observer, seated in the small upper building, looked down through the white tube toward the lower building, where the Moon appeared to him.