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Plate II.
COMET
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| Fig. 3.—HALLEY’S COMET, 1910, APRIL 27. By permission of Helwân Observatory, Egypt. |
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| Fig. 4.—HALLEY’S COMET, 1910, MAY 4. By permission of Yerkes Observatory (E. E. Barnard). |
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| Fig. 3.—HALLEY’S COMET, 1910, APRIL 27. By permission of Helwân Observatory, Egypt. |
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| Fig. 4.—HALLEY’S COMET, 1910, MAY 4. By permission of Yerkes Observatory (E. E. Barnard). |
