PART I. AUTHOR-INDEX. I 29 



Pickering, E. C. Spectra of bright Southern stars. Astrophys. J. 6 



(1897) 349-352- 

 . Large Magellanic Cloud. Harv. Coll. Observ. Cir. 19 



(1897); Astrophys. J. 6 (1897) 459-461. 

 . Spectrum of a meteor. Harv. Coll. Observ. Cir. 19 



(1897); Astrophys. J. 6 (1897) 461; Nature 57 (1897) loi. 

 . The Algol variable -j- 1 7° 4367 W Delphini. Astrophys. 



J. 7 (1898) 23-24. 

 . A variable bright Hydrogen line. Harv. Cir. 21 (1897); 



Astrophys. J. 7 (1898) 139. 

 . Photographic spectrum of the Aurora. Astrophys. J. 7 



(1898) 392; Harvard Observ. Cir. 28 (1898). 

 . Stars having peculiar spectra. (With one exception 



they were discovered by Mrs. Fleming on the Draper Memorial 



Photographs. Note.) Harv. Observ. Cir. 32 (1898); Astrophys. 



J. 8 (1898) 116-1 18. 



. Stars resembling 5 Puppis. Astrophys. J. 8 (1898) 119. 



. A new form of photographic telescope. Harv. Observ. 



Cir. 39 (1899); Astrophys. J. 9 (1899) 175-178. 

 . Photographing meteors. Harv. Observ. Cir. 40 (1899) ; 



Astrophys. J. 9 (1899) 178-179. 

 . The variable stars U Vulpeculae and S T Cygni. 



Harv. Observ. Cir. 41 (1899); Astrophys. J. 9 (1899) 179- 



182. 

 . A new star in Sagittarius. Harv. Observ. Cir. 42 (1899) ; 



Astrophys. J. 9 (1899) 182-184. 

 Pickering, S. U. Chemical action at a distance. Phil. Mag. (5) 32 



(1891) 478-480. 

 . Chemical action and the conservation of energy. Nature 



43 (1891) 165-167. 

 . Das kryoscopische Verhalten schwacher Losungen. Ber, 



chem. Ges. 25 (1892) 1099-1108, 1314-1324, 1854-1866, 2012- 



2017, 2518-2524. 

 Pickering, W. H. A study of Nova Aurigae and Nova Normae. 



Astron. and Astrophys. 13 (1894) 201-204; Beibl. (1895) 175. 

 . Investigations in Astronomical Photograph3^ Annals 



Harvard Observ. 31 I (1895) 114 pp.; Beibl. (1896) 39. 

 . Atmosphere et rivieres lunaires. Bull. Soc. astron. 



France i (1895) 306-316. 

 . La meteorologie de Mars. Bull. Soc. Belg. d'Astron. 



2 (1897) 221-224. 



