LIST OF ILLUSTRATIONS.
Fig.
page
1–3. | Halley's Comet, 1835-1836 at various dates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Plate I |
Frontipiece. |
4. | Discovery Field of Brooks's Comet (1895, iii.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
Title-page. |
5. | Telescopic Comet without a Nucleus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
3 |
6. | Telescopic Comet with a Nucleus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
3 |
7. | Comparative sizes of the Earth, the Moon's orbit, and certain Comets, named . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Plate II |
7 |
8. | Comet I. 1847 visible at Noon, on March 30. (Hind.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
8 |
9. | Biela's Comet, Feb. 19, 1846. (O. Struve.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
15 |
10. | Diagram illustrating the changes in the directions of the Tails of Comets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
25 |
11. | Comet III. 1860. June 26. (Cappelletti and Rosa.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Plate III |
faces 26 |
12. | Comet III. 1860. June 28. (Cappelletti and Rosa.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ." |
26 |
13. | Comet III. 1860. June 30. (Cappelletti and Rosa.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ." |
26 |
14. | Comet III. 1860. July 1. (Cappelletti and Rosa.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ." |
26 |
15. | Comet III. 1860. July 6. (Cappelletti and Rosa.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ." |
26 |
16. | Comet III. 1860. July 8. (Cappelletti and Rosa.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ." |
26 |
17. | Ideal Diagram of "Envelopes" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
28 |
18. | Diagram: Recognition of a Comet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Plate IV. |
faces 30 |
19. | Brooks's Comet (1893, iv.). Oct. 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ." |
30 |
20. | Morehouse's Comet (1908, iii.) on Oct. 15. (Morris.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Plate V. |
follows 32 |
21. | Morehouse's Comet (1908, iii.) on Oct. 30. (Morris.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Plate VI. |
"32 |
22. | Morehouse's Comet (1908, iii.) on Sept. 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Plate VII. |
"32 |
23. | Morehouse's Comet (1908, iii.) on Oct. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ." |
"32 |
24. | Morehouse's Comet (1908, iii.) on Oct. 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Plate VIII. |
"32 |
25. | Morehouse's Comet (1908, iii.) on Nov. 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ." |
"32 |
26. | Bredichin's Three Types of Comet Tails . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
34 |
27. | Diagram illustrating the influence of Jupiter on Comets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
40 |
28. | Discovery Field of Brooks's Comet (1890, ii.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
47 |
29. | Diagram of an ellipse, parabola, and hyperbola . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
53 |
30. | Encke's Comet, Nov. 30, 1828. (W. Struve.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
62 |
31. | Encke's Comet, Sept. 22, 1848 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Plate IX. |
faces 64 |
32. | Encke's Comet, Nov. 9, 1871. (J. Carpenter.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
65 |
33. | Henry's Comet, Sept. 3, 1873. (Tempel.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Plate X. |
faces 70 |
34. | Respighi's Comet, Jan. 5, 1864. (Tempel.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ." |
70 |
35. | Thatcher's Comet, May 5, 1861. (Tempel.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ." |
70 |
36. | Brorsen's Comet, 1873. (Tempel.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ." |
70 |
37. | Faye's Comet, 1873. (Tempel.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ." |
70 |
38. | Holmes's Comet, 1892, and the Andromedæ Nebula. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Plate XI. |
faces 74 |