3850 Transparency 



Spectral lines, sodium, reversal. Soret, J. L. 



Arch. Sc. Ps. Nt. 41 (1871) 64-. 

 , , , lecture experiment. Tumlirz, 0. 



Exner Epm. 23 (1887) 404-. 

 , , in oxyhydrogen flame, apparatus 



for. Pellin, . As. Fr. C. E. (1889) 



(Pt. 1) 259. 

 , solar, and those produced by atmosphere 



and nitrous acid gas. Brewster, (Sir) D. 



[1833] Edinb. B. S. T. 12 (1834) 519-. 

 , and terrestrial, distinction between. 



Cornu, A. L. Ps. S. P. 8 (1887) 95-; Ph. 



Mg. 22 (1886) 458-. 

 Spectrophotometric study of pigments. Nichols, 



E. L. Am. J. Sc. 28 (1884) 342-. 

 Spectroscopic examination of aniline dyes. 



Schoop, P. Epm. Anal. C. 6 (1886) 242-. 

 blood. Menegazzi, G. P. Yen. I. At. 



(1892-93) 1660 -. 

 . Lewin, L. Arch. Phm. 235 



(1897) 245-. 

 Spectroscopy, modern. Schuster, A. [1881] 



E. I. P. 9 (1882) 493-. 



of ozone. Chappuis, J., <& Hautefeuille, 

 P. C. E. 91 (1880) 228-; Par. S. C. fill. 

 35 (1881) 2-. 



. Chappuis, J. Par. EC. Norm. A. 11 



(1882) 137-. 

 Spectrum analysis, physiological. Vierordt, 



K. von. Z. Bl. 10 (1874) 21-, 399-; 11 



(1875) 187- ; 14 (1878) 422-. 

 , solar, constitution and origin of group B. 



Thollon, L. J. de Ps. 3 (1884) 421-. 

 , , purple of. Koechlin, C. Mon. Sc. 28 



(1886) 1105-. 

 , , transmission of chemical rays through 



different media. Somerville, M. C. E. 3 



(1836) 473-. 

 Sunlight colours. Abney, (Capt.) W. de W. 



[1887] E. I. P. 12 (1889) 61-. 



and Earth's atmosphere. Langley, S. P. 

 [1885] E. I. P. 11 (1887) 265-. 



TRANSPARENCY. 



of air. JMccd, A. Spet. It. Mm. 5 (1876) (App.) 

 37-. 



, upper strata. Schultheiss, C. Karls- 

 ruhe Nt. Vr. Vh. 13 (1900) (Ab.) 262-. 



coloured flames. Gouy, A. C. E. 86 (1878) 

 878-, 1078-. 



Foucault's mirrors, etc., for actinic rays. 

 Chardonnet, E. de. C. E. 93 (1881) 40&-; 

 94 (1882) 1171-, 1468-. 



glass for ultra-violet light. Schumann, V. 

 Wien Pht. Cor. 22 (1885) 28-, 59-, 188-. 



metals. Wien, W. A. Ps. C. 35 (1888) 48-. 



a-monobromnaphthalene for ultra-violet 

 light, and its high refractive power. 

 Walter, B. A. Ps. C. 42 (1891) 511-. 



opaque bodies for red and infra-red rays. 

 Le Bon, G. C. E. 128 (1899) 297-; Ev. Sc. 

 11 (1899) 161-. 



platinum. Aubel, E. van. Brux. Ac. Bll. 



11 (1886) 408-. 



, and of electrolysed mirrors of iron, nickel, 



and cobalt. Aubel, E. van. Brux. Ac. Bll. 



12 (1886) 665-. 



Heat Rays, Reflection, etc. 3855 



of solutions of colourless salts. Spring, W. 

 Brux. Ac. Bll. 31 (1896) 640-. 



, influence of temperature. Nichols, E. L., 



& Spencer, M. C. Ps. Ev. 2 (1895) 344-. 



for X-rays, relative, method for determi- 

 nation. Robb, W. L. Science 3 (1896) 

 544. 



thin laminae of silver, influence of tempe- 

 rature. Pettinelli, P. N. Cim. 2 (1895) 

 356-. 



Transparent metallic films. Wernicke, W. 



A. Ps. C. 30 (1887) 469-. 



Turbid media, transmission of light in. 

 Compan, P. C. E. 128 (1899) 1226-. 



water, heating effects of light. Humphreys, 

 H. Silliman J. 49 (1845) 208-. 



Ultra-violet rays. ScJwnn, J. L. A. Ps. C. 9 



(1880) 483- ; 10 (1880) 143-. 

 (Schonn). Soret, J. L. Arch. Sc. Ps. 



Nt. 4 (1880) 510-. 



, protection of eye from. Schulek, V. 

 Mth. Termt. Ets. 17 (1899) 510- ; Mth. Nt. 



B. Ung. 17 (1901) 341. 



Undulatory theory of light, arguments against. 



Jeisen, C. Berl. Nf. Fr. Sb. (1887) 108-. 

 Uranium glass, use in electric lighting. 



Bracket, A. C. E. 72 (1871) 483. 



and iron glasses, use in electric lighting. 

 Bracket, A. C. E. 72 (1871) 509-. 



Vibrations of the ether, and explanation of 



dispersion and its anomalies. Sellmeier, W. 



A. Ps. C. 145 (1872) 399-, 520- ; 147 (1872) 



386-, 525-. 

 Vulcanite, properties. Mayer, A.M. Am. J. 



Sc. 41 (1891) 54-. 



3855 Heat Rays, Reflection, Re- 

 fraction and Absorption of. 



Kries, F. Gehlen J. 7 (1808) 201-. 

 Frisson, S. D. J. Mines 36 (1814) 439-. 

 Fourier, J. B. J. A. C. 4 (1817) 128-. 

 Buff, H. Lieb. A. 32 (1839) 129-. 

 Bellavitis, G. [1840] Tortolini A. 1 (1850) 



362-. 



Melloni, M. C. E. 20 (1845) 575-. 

 Knoblauch, H. Berl. B. (1846) 355-. 

 Henry, J. Silliman J. 5 (1848) 113-. 

 Zantedeschi, F. Wien SB. 24 (1857) 43-. 

 Stewart, B. Edinb. E. S. T. 22 (1861) 59-. 

 Zantedeschi, F. Ven. At. 7 (1861-62) 365-. 

 La Provostaye, F. H. de. A. C. 67 (1863) 1-. 

 Tyndall, J. Phil. Trans. 154 (1864) 327-. 

 Ericsson, J. Nt. 7 (1873) 273-. 

 Wenstrim, J. Stockh. Ofv. 36 (1879) No. 4, 



41-. 

 Absorbing and emissive powers, equality. La 



Provostaye, F. H. de. C. E. 57 (1863) 517-. 

 power of athermanous bodies. Desains, P., 



& La Provostaye, F. de. C. E. 31 (1850) 



770- ; A. C. 30 (1850) 431-. 

 bodies. Aymonnet, . C. E. 83 



(1876) 971-. 

 , influence of roughness. Melloni, 



M. [1838] Nap. At. Ac. 5 (1843) 103-. 



400 



