324 LITERATURE OF THE SPECTROSCOPE. 



MOSANDRUM. 



Boishaiidran, F. Lecoq de. C.-R. 102 (1886) 647. — Crookes, Proc. 

 Roy. Soc. 40 (1886) 236. 



MULTIPLE SPECTRA. 



Trowbridge and Richards. Amer. J. Sci. (4) 3 (1897) 1 17-120. 



NEODYMIUM. 



Boudoiiard, 0. C.-R. 126 (1898) 900-901. 

 Demargay, E. C.-R. 126 (1898) 1039-1041. 

 Humphreys, W. J. Astrophys. J. 6 (1897) 169-232. 



NEON. 



Editors of Science. Sci. n. S. 8 (i8g8) 18-19. 



NICKEL. 



Hasselberg, B. Beibl. (1896) 692; Astrophys. J. 4 (1896) 288-304, 



343-366, plates. 

 Humphreys, W. J. Astrophys. J. 6 (1897) 169-232. 

 Liveiiig, G. D., and /. Dewar. Phih Trans. 179 I (1888) 231-256; 



Beibh (1889) 217. 

 Moissan, H., et Ch, Moureau. C.-R. 122 (1896) 1240-1243. 

 Ramsay, W., and M. W. Travers. Chem. News 78 (1898) 154-155. 

 , . Proc. Roy. Soc. June 3, 1898; Astrophys. J. 8 (1898) 



120-122. 

 Sabatier, P., et /. B. Senderens. C.-R. 124 (1897) 616-618. 



NIOBIU.M. 



Humphreys, W. J. Astrophys. J. 6 (1897) 169-232. 



NITROGEN. 



Armstrong, H. E. J. Chem. Soc. (1892); Chem. News 65 (1892) 



284-285. 

 Baccei, P. Mem, Spettr. Itah 28 (1899) 97-102. 

 Baly, E. C. C. Chem. News 71 (1895) 169-170. 

 Brilhl, J. W. Ber. chem. Ges. 26 (1893) 806-810. 

 . Ztsch. f. physikal, Chem. 15 (1894) 19-226, 226-242; 



16 (1895) 193-241, 497-524; 24 (1897) 373-409; 25 (1898) 577- 



650; 26 (1898) 47-76. 

 Costa, T. Rend. Accad. Roma 7 (1891) 308-313; Beibl. (1892) 424. 

 Deslandres, H. C.-R. 121 (1895) 886-887. 



Eder, J. M. Wiener Anzieger (1892) 44-47; Beibl. (1893) 204. 

 . Denkschr. d. Wiener Akad. 60 (1893) 24 pp.; Beibl. 



(1894) 910—912. 



I 



