HAL] 



115 



(HAL 



Hall, Asnph. 28. Ephemeris of @ Terpsichore 



for the opposition 1876. Astr. Nachr., 86, 1875, 

 col. 3-6. 



29. Observations of the satellites of Nep- 

 tune and Uranus, and of the companion of 

 Sirius, made at Washington. Astr. Nachr., 86, 



1875, col. 321-328. 



3O. On the determination of the mass of 



Mars. Astr. Nachr., 8C, 1875, col. 327- 

 334. 



31. On the Washington observations of 

 Flora (1873). Astr. Nachr., 86, 1875, col. 333 

 -336. 



32. Approximate quadrature. Des Moines, 



Analyst, 3, 1876, pp. 1-10. 



33. Observations of the satellites of Saturn, 



1876. Astr. Nachr., 90, 1877, col. 129-138. 



34. On the rotation of Saturn. Astr. 

 Nachr., 90, 1877, col. 145-150; Des Moines, 

 Analyst, 4, 1877, pp. 36-42. 



35. On the appearance of Saturn's ring. 

 Astr. Nachr., 90, 1877, col. 151-154. 



36. Observations of double stars, at Wash- 



ington, 1875-77. Astr. Nachr., 90, 1877, col. 

 163-166. 



- 37. The shadow of a planet. Astr. Nachr., 

 90, 1877, col. 305-314. 



38. Schreiben betreffend die Mars-Satel- 

 liten. Astr. Nachr., 90, 1877, col. 361-362. 

 39. Observations of the satellites of Mars. 

 [1877.] Astr. Nachr., 91, 1878, col. 11-14. 



40. On the position of the south-polar 



spot of Mars. [1877.] Astr. Nachr., 91, 1878, 

 col. 219-224. 



41. [Schreiben, betreffend Siriusbegleiter.] 

 [1877.] Astr. Nachr., 91, 1878, col. 223-224. 



42. Observations of stars around the ring- 

 nebula in Lyra. Astr. Nachr., 92, 1878, col. 

 27-28. 



43. Names and approximate elements of 



the satellites of Mars. Astr. Nachr., 92, 1878, 

 col. 47-48. 



44. Corrections to observations of Comets. 



[TUTTLE'S Comet and Comet c 1873 (Borrelly).] 

 Astr. Nachr., 92, 1878, col. 365- 36C. 



45. The centre of gravity of the apparent 

 disk of a planet. Astron. Soc. Month. Not., 38, 



1878, pp. 122-123. 



46. Observations et orbites des satellites 

 de Mars avec les ephemerides pour 1879. Tra- 

 duction et resume par M. Paul GUIEYSSE. [1878.] 

 Liouville, Journ. Math., 5, 1879, pp. 143-162. 



47. Les satellites de Mars en 1879. [Fai- 

 sant par tie de No. 53.] Paris, Acad. Sci. Compt. 

 Rend., 89, 1879, pp. 776-778. 



48. The motion of Hyperion. Astr. 



Nachr., 95, 1879, col. 109-112. 



49. Note on Saturn. Astr. Nachr., 95, 



1879, col. 191-192. 



Hall, Asnph. 5O. Stellar parallax. Des Moines, 

 Analyst, 6, 1879, pp. 33-40. 



51. The motion of a satellite. Des 



Moines, Analyst, 6, 1879, pp. 129-139. 



52. On the observations of double stars. 

 [1879.] Amer. Assoc. Proc., 28, 1880, pp. 65 

 -73. 



53. Observations of the satellites of Mars. 

 Astron. Soc. Month. Not., 40, 1880, pp. 272- 

 283. 



54. Note on the companion of Sirius. 

 Amer. Journ. Sci., 19, 1880, pp. 457-458. 



55. Observations of the companion of 

 Sirius. Astr. Nachr., 97, 1880, col. 319-320. 



56. Parallel chords in an ellipse. Des 

 Moines, Analyst, 7, 1880, pp. 82-83. 



57. [Presidential address to the Math. 

 Sect, of the Amer. Assoc. for the Advancement 

 of Science, August, 1880. On the progress of 

 astronomy.] Amer. Assoc. Proc., 29, 1881, pp. 

 99-114; Nature, 22, 1880, pp. 570-574. 



58. Observations of comets. Astr. Nachr., 



100, 1881, col. 273-278. 



59. Data for ephemerides of the satellites 



of Mars in the opposition of 1881. Astr. Nachr., 

 100, 1881, col. 277-280. 



6O. Observations of Hyperion. Astr. 



Nachr., 100, 1881, col. 279-282. 



61. Notes on GAUSS' Theoria Motus. Des 

 Moines, Analyst, 8, 1881, pp. 83-88. 



62. The secular displacement of the orbit 



of a satellite. Des Moines, Analyst, 8, 1881, 

 pp. 177-187. 



63. Centrifugal tides. Des Moines, Ana- 

 lyst, 8, 1881, pp. 188-189. 



64. Conjunctions of the interior satellites 



of Saturn. Astron. Soc. Month. Not., 42, 1882, 

 p. 308. 



65. Observations of the companion of 

 Sirius, made at the U. S. Naval Observatory, 

 Washington. Astroii. Soc. Month. Not, 42, 

 1882, pp. 323-324. 



- 66. Sur 1'orbite de Japhet. Paris, Acad. 

 Sci. Compt. Rend., 95, 1882, pp. 168-171. 



67. Note on double stars. Astr. Nachr., 



102, 1882, col. 91-92. 



68. The Greenwich observations of y 



Draconis, made with the reflex zenith tube. 

 Astr. Nachr., 102, 1882, col. 143-144. 



69. The density of the Earth. Des 



Moines, Analyst, 9, 1882, pp. 129-132. 



70. The parallax of a Lyrse and 61 Cygni. 



[1882.] Amer. Assoc. Proc., 31, 1883, pp. 93 

 -99. 



71. Observations made at the U. S. Naval 



Observatory, Washington. [Conjunctions of the 

 satellites of Saturn. The companion of Sirius. 

 Note on the Great Comet (b) 1882.] Astron. 

 Soc. Month. Not., 43, 1883, pp. 330-331. 



