Campbell! 



[Campbell 



Star spectra in which two or more of the hydrogen 



lines are bright. Astr. Soc. Pacific Publ., 5, 1893, 228- 

 229. 



The spectrum of Alcyone (ij Tauri). Astr. Soc. Pacific 

 Publ., o, 1893, 231. 



Wave-lengths of the principal line in Nova Auriga's 

 spectrum. Astr. Soc. Pacific Publ., 5, 1893, 232. 



Observations of the new star in Norma. Astr. & 

 Astrophys., 13, 1894, 311-312, 110: Astr. Nachr., 134, 

 1894, 311-312; 135, 1894, 131-132. 



Spectra of the great nebula in Orion and other well- 

 known nebulse. Astr. & Astrophys., 13, 1894, 384-398, 

 494-501. 



- The Wolf-Eayet stars. Astr. * Astrophys., 13, 1894, 

 448-476. 



Note on the spectra of comets l> and c 1893. Astr. & 

 Astrophys., 13, 1894, 571-574. 



Note on the spectrum of the Orion nebula. Astr. & 

 Astrophys., 13, 1894, 695-696. 



The spectrum of Mars. Astr. & Astrophys., 13, 

 1894, 752-760; Astr. Soc. Pacific Publ., 6, 1894, 228- 

 236. 



- The new star in Norma. Astr. Soc. Pacific Publ., 6, 

 1894, 102-103. 



An explanation of the bright projections observed on 

 the terminator of Mars. Astr. Soc. Pacific Publ , 6, 1894 

 103-112; Astronomic, 1894, 289-295. 



- The Lick Observatory photographs of Mars. Astr. 

 Soc. Pacific Publ., 6, 1894, 139-141. 



Drawings of the planet Mars. Astr. Soc. Pacific 

 Publ., 6, 1894, 171. 



Cloud observations on the island of Yezo, Japan, with 

 reference to the solar eclipse of 1896 August 9. Astr. 

 Soc. Pacific Publ., 6, 1894, 21N-220. 



- The probable revolution of the orbit of the inner 

 satellite of Mars. [1894.] Astr. Soc. Pacific Publ., 6, 



1894, 270; Astr. JL, 14, 1895, 1.59. 



Concerning an atmosphere on Mars. Astr. Soc Pacific 

 Publ., 6, 1894, 273-283. 



[Transit of Mercury, observed at the Lick Observatory, 

 November 9-10, 1894.] Observations of the contacts. 

 Astr. Soc. Pacific Publ., 6, 1894, 298. 



Note on the variable star Cordoba Gen. Catal. 22855 



[1894.] Astr. JL, 14, 1895, 110. 



- The spectrum of Comet b 1894. [1894.] Astr .11 

 14, 1895, 111. 



Observations of the Transit of Mercury, 1894 Novem- 

 ber 10. [1894.] Astr. Jl., 14, 1895, 148-149. 



- Micrometer-observations of the satellites of Mars. 

 Astr. JL, 15, 1895, 1-8. 



Observations of Nova (5533 B) Normir. Astr. Jl. 15 



1895, 100. 



Observations of Nova (7787 O) Cygni. Astr. JL, 15, 

 1895, 100. 



A determination of the polar diameter of Mars. Astr 

 JL, 15, 1895, 145-149. 



Cornet c 1895. Astr. JL, 15, 1895, 192. 



Recent changes in the spectrum of Nova Aurigie 

 Astrophys. JL, 1, 1895, 49-51. 



On determining the extent of a planet's atmosphere. 

 Astrophys. JL, 1, 1895, 85-86. 



A review of the spectroscopic observations of Mars. 

 Astrophys. JL, 2, 1895, 28-44. 



- A spectrographic determination of velocities in the 

 system of Saturn. Astrophys. JL, 2, 1895, 127-135. 



- Stars whose spectra contain both bright and dark 

 hydrogen lines. Astrophys. JL, 2, 1895, 177-183. 



- The new star of 1892. Astr. Soc. Pacific Publ 7, 

 1895, 31-33. 



- The irregular waning of the south polar cap of Mars. 

 Astr. Soc. Pacific Pub!., 7, 1895, 40-43. 



- The velocity of f Herculis in the line of sight. Astr 

 Soc. Pacific Publ., 7, 1895, 67-68. 



[On the aims of astronomical science.] Address of 

 the retiring president of the Society, at the seventh 

 annual meeting, March 30, 1895. ABtr. Soc. Pacific 

 Publ., 7, 1895, 81-88. 



Note on the melting of the polar caps of Mars. Astr. 

 Soc. Pacific Publ., 7, 1895, 292-293. 



On selecting suitable nights for observing planetary 

 spectra. Observatory, London, 18, 1895, 50-51. 



New elements and ephemeris of Comet c 1895 (Perrine) 

 [1895.] Astr. Jl., 16, 1896, 7. 



Notes on two variable stars. Astr. Jl. , 16, 1896, 24. 



Observations of Comet b 1895 (Faye), made with the 

 36-inch equatorial of the Lick Observatory. Astr. JL, 

 16, 1896, 69. 



Observations of Comet a 1895 (Swift), made at Lick 

 Observatory. Astr. JL, 16, 1896, 70-71. 



On the determination of planetary diameters. Astr. 

 Soc. Pacific Publ., 8, 1896, 236-238. 



Spectroscopic notes. Astrophys. JL, 5, 1897 233-24' 

 350. 



- The Purkinje phenomenon and the spectrum of the 

 Orion nebula. Astr. Nachr., 147, 1898, 393-396. 



- The Mills spectrograph of the Lick Observatory. 

 Astrophys. JL, 8, 1898, 123-156. 



Some stars with great velocities in the line of sight. 

 Astrophys. JL, 8, 1898, 157-158. 



- The variable velocity of T) Pegasi in the line of sight 

 Astrophys. Jl. , 8, 1898, 159. 



- The variable velocity of o Leonis in the line of sight. 

 Astrophys. Jl. , 8, 1898, 291. 



- The variable velocity of % Draconis in the line of 

 sight. Astrophys. JL, 8, 1898, 292. 



The motion of -q Cephei in the line of sight. Astr 

 Soc. Pacific Publ., 10, 1898, 1S4-185. 



Notes on the spectrum of o Ceti. Astrophys. JL, 9, 

 1899, 31-36. 



- The variable velocity of f Geminorurn in the line of 

 sight. Astrophys. JL, 9, 1899, 86. 



On the visible spectrum of Nova Sagittarii. Astrophys. 

 JL, 9, 1899, 308-309. 



The variable velocity of i Pegasi in the line of sight. 

 Astrophys. JL, 9, 1899, 310. 



- The variable velocity of d Draconis in the line of 

 sight. Astrophys. JL, 9, 1899, 311. 



A comparison of the visual hydrogen spectra of the 

 Orion nebula and of a Geissler tube. Astrophys. JL, 9, 

 1899, 312-316. 



The influence of the Purkinje phenomenon on observa- 

 tions of faint spectra. Astrophys. JL, 10, 1899, 22-24. 



- The spectroscopic binary Capella. Astrophyg. Jl. , 10, 

 1899, 177. 



The variable velocities in the line of sight of 6 Librae, 

 It Draconis, X Andromeda?, e Ursse Minoris and w Draconis. 

 Astrophys. JL, 10, 1899, 178-179. 



The variable velocity of a Ursse Minoris in the line of 

 sight. Astrophys. JL, 10, 1899, 180-183. 



The wave-length of the green coronal line, and other 

 data resulting from an attempt to determine the law of 

 rotation of the solar corona. Astrophys. Jl 10 1899 

 186-192; 11, 1900, 169. 



- The variable velocities of p Capricorni and v Sagittarii 

 in the line of sight. Astrophys. Jl., 10, 1899, 241. 



- Three new spectroscopic binary stars. Astr. Soc. 

 Pacific Publ., 11, 1899, 54-55. 



Some new spectroscopic binary stars. Astr. Soc. 

 Pacific Publ., 11, 1899, 129. 



On the variable velocity of Polaris in the line of sight. 

 Astr. Soc. Pacific Publ., 11, 1899, 195-199. 



Stars with variable velocities in the line of sight. 

 Astr. Soc. Pacific Publ., 11, 1899, 252-254. 



The companions of Polaris. Science, 10, 1899, 501- 



502. 



Observations of the second and third contacts at the 



