4205 Hydrogen 



lines, Balmer's formula. Hagenbach-Bischoff, 



E. Basel Vh. 8 (1890) 242. 

 , , application of general theory of wave 



propagation. Eayleigh, (Lord). Ph. Mg. 



44 (1897) 356-. 

 , photometric intensity. Lagarde, H. C. 



R. 95 (1882) 1350-. 

 , reversal, outburst of hydrogen lines when 



water is dropped into the arc. Dewar, J. , <& 



Liveing, G. D. B. S. P. 35 (1883) 74-. 

 at low pressure. Seabroke, G. M. [1871] Ph. 



Mg. 43 (1872) 155-. 



and magnesium, irregularities in arc spec- 

 trum. Fievez, C. Brux. Ac. Bll. 7 (1884) 



245-. 

 new series in spectrum. Eydberg, J. JR. 



Asps. J. 6 (1897) 233-. 

 and nitrogen. Ames, J. S. Ph. Mg. 30 (1890) 



48-. 

 , oxygen and chlorine, emission spectra. 



Wiillner, . D. Nf. Tbl. (*1869) 63. 

 , , (Wiillner) . Faye, H. A. 



E. C. E. 70 (1870) 890-. 

 photometric researches. Lagarde, H. A. C. 



4 (1885) 248-; Ev. Sc. 36 (1885) 437-. 



(Lagarde). Wiedemann, E. A. C. 7 

 (1886) 143-. 



second spectrum. Hasselberg, B. St. Pe"t. 



Ac. Sc. Mm. 30 (1882) No. 7, 24 pp. ; 31 



(1883) # . 14, 30 pp. 

 . Button, R. S. Ph. Mg. 46 (1898) 



338-. 

 beyond X 185 /*/*. Schumann, V. Asps. 



J. 11 (1900) 312-. 

 , and structure of atom. Grunwald, A. 



Wien Az. 27 (1891) 196-. 

 in ultra-violet, photography. Schumann, 



V. Wien Pht. Cor. 23 (1886) 305-. 

 spectrum analysis. Volpicelli, P. Em. At. 



16 (1862-63) 670-. 

 . Hasselberg, B. [1880] St. Pet. Ac. 



Sc. Bll. 27 (1881) 97-. 

 ultra-violet spectrum. Cornu, A. J. de Ps. 5 



(1886) 341-. 



Incandescent lime and electric spark, difference 

 between spectra. Draper, J. W. Ph. Mg. 

 27 (1845) 435-. 



substances. Gronberg, . Eiga Cor.-Bl. 

 27 (1884) 28. 



Indium. Clay den, A. W. t & Hey cock, C. T. 



Ph. Mg. 11 (1876) 387-. 

 , blue line, wave-length. Mutter, Joh. A. 



Ps. C. 124 (1865) 637-. 

 Iodine. Konen, H. [1897] A. Ps. C. 65 



(1898) 256-. 



in fused salts. Gramont, A. de. A. C. 10 

 (1897) 229-. 



, primary spectrum. Salet, G. C. E. 75 

 (1872) 76-. 



vapour, light emitted by. Salet, G. C. E. 

 74 (1872) 1249. 



Iron. Kayser, H., & Eunge, C. Berl. Ak. Ab. 



(1888) (Anh.) No. 3, 93 pp. 

 , arc spectrum. Thalen, E. Ups. S. Sc. 



N. Acta 12 (1885) No. 14, 49 pp. 

 , . Kayser, H. A. Ps. 3 (1900) 



195-. 



Spectra of Substances 4205 



Iron, electrolytic, arc spectrum. Lockyer, J. 

 N. [1893] Phil. Trans. (A) 185 (1895) 983-. 



and other metals, spectra in voltaic arc. 

 Secchi, A. C. E. 77 (1873) 173-. 



meteorites, arc spectrum. Lockyer, J. N. 

 [1894] Phil. Trans. (A) 185 (1895) 1023-. 



Krypton. Eamsay, W. [1898] Nt. 59 (1898-99) 



. Eunge, C. Asps. J. 10 (1899) 73-. 

 Lanthanum, arc spectra. Rowland, H. A., <& 



Harrison, C. N. Asps. J. 7 (1898) 373-. 

 Lead. Kayser, H., & Eunge, C. Berl. Ak. Ab. 



(1893) (Anh.) No. 3, 20 pp. 

 Lithium, blue band. Frankland, E. Ph. Mg. 



22 (1861) 472-. 

 , sodium and strontium, wave-lengths. 



Milller, (Dr.) J. Pogg. A. 118 (1863) 641-. 

 Magnesium. Dewar, J., & Liveing , G. D. 



E. S. P. 32 (1881) 189-; 44 (1888) 241-. 



band at X 5007 . Crew , H. , & Basq uin, . H. 

 Asps. J. 2 (1895) 100-. 



and carbon, mathematical spectral analysis. 

 Grunwald, A. Wien Ak. Sb. 96 (1888) (Ab. 

 2) 1154- ; Mh. C. (1887) 650-. 



lithium. Dewar, J., & Liveing, G. D. 



E. S. P. 30 (1880) 93-. 

 Manganese, arc spectrum. Hasselberg, B. [1897] 



Stockh. Ak. Hndl. 30 (1897-98) No. 2, 



20 pp. 



and its compounds and alloys. Hartley, 

 W. N. [1894] Phil. Trans. (A) 185 (1895) 

 1029-. 



, wave-length of fluting. Lockyer, J. N. 



E. S. P. 46 (1890) 35-. 

 Mercury. Huff, W. B. J. H. Un. Cir. [19 



(1899-1900)] 62; Asps. J. 12 (1900) 103-. 



arc. Arons, L. A. Ps. C. (Berl. Ps. Gs. 

 Vh. 1892) 47 (1892) 767-. 



, flame spectrum. Liveing, G. D. Camb. 



Ph. S. P. 10 (1900) 38-. 

 , haloid compounds, emission spectra. 



Peirce, B. O. A. Ps. C. 6 (1879) 597-. 



at various temperatures. Eder, J. M., & 

 Valenta, E. Wien Ak. D. 61 (1894) 401-. 



Metallic compounds. Leeds, A. E. Franklin 



I. J. 60 (1870) 194-. 

 , spectral lines. Mitscherlich, A. Par. 



S. C. Bll. (1862) 108-. 



halides. Diacon, E. (vi Adds.) Mntp. 

 Ac. Sc. Mm. 5 (1861-63) 449-. 



MetaUoids. Salet, G. A. C. 28 (1873) 5-. 

 . Angstrom, A. J., & Thalen, T. E. Ups. 



S. Sc. N. Acta 9 (1875) (No. 9) 34 pp. 

 . Schuster, A. Nt. 15 (1877) 447-; B. A. 



Ep. (1880) 258-. 

 , spectroscopy. Hasselberg, B. St. Pet. 



Ac. Sc. Bll. 27 (1881) 405-. 

 Metargon. Schuster, A. Nt. 58 (1898) 199. 

 . Eamsay, W., Travers, M. W., & Baly, 



E. C. C. Nt. 58 (1898) 245-. 

 . Schuster, A. Nt. 58 (1898) 269-. 

 . Dewar, J. Nt. 58 (1898) 319. 



and interplanetary medium. Eydberg, J. 

 E. Nt. 58 (1898) 319. 



Meteorites. Lockyer, J. N. [1887] E. S. P. 

 43 (1888) 117-. 



436 



