18 A BIBLIOGRAPHY OF THE 



Phipson, T. L. Measurement of the iutensity of the chemical effect of 

 sunlight. Chem. News, 8 (1863) 135; C. R. 57 (1863) 601; Instit. 

 (1863) 323; Chem. Centralh. (1864; 351 ; Jahresb. (1863) 101, Abs. 



, . A curious actinic phenomenon. Chem. News, 43 (1881) 



283; 44 (181) 73; Beibl. 5 (1881) 135, Abs.; see J. B. Orb, Chem. 

 News, 44 (1881) 51, 167; Jsb. (1881) 134, Abs. 



POEY. Sur Taction chimique de la lumiere diffuse observee a la Havane 

 a I'aide d'un nouvel actinographe chimique. C. R. 56 (1863) 1039. 



Power, Joseph. Theory of the recii)rocal action between the solar rays 

 and the different media by which they are reflected, refracted or ab- 

 sorbed. Proc. Roy. Soc. 6 (1850-54) 317. 



Prazmowski. Sur I'achromatisrae chimique. C. R. 79 (1874) 107 ; Jsb. 

 (1874) 166, Abs. 



Prechtl. Identitiit des Licht und ^yarme3toffs. Gilbert's Ann. 20 

 (1805) 305. 



PuscHi>. Einwirkung der Lichtqaellen auf bewegliche Massentheilchen. 

 Wien. Akad. Ber. 15 (1855) 279. 



RiTTKu, Johann Wilhelm. Versuche iiber das Sounenlicht. Gilb. Ann. 

 12 (1803) 409; J. de Phys. 57 (1803) 409; Nicholson's J. 5(1803) 

 255; 8 (1804) 214. 



, . Bemerkung zu Wunsch's Versuchen iiber die vermeinte 



Sotiderung des Lichtes der Sonnenstrahlen von der Wiirme. Gehlen's 

 Jour. 6 (1808) 1. 



Roscoi:, H. E., and Bunsen, R. Photochemical researches with refer- 

 ence to the chemical action of light. Brit. Ass. Rept. (1855) 48; 

 (1856; 67: Quar. J. Chem. Soc. (1856); Ann. Phys. 96 (1855) 373; 

 100 (1857) 43; Phil. Mag. [4] 13 (1857) 521; 19 (1860) 61; Phil.' 

 Trans. 147 (1857) 355, 381, 601 ; 149 (1859) 879 ; 153 (1864) 139 ; 

 see Wittwer, Ann. Phys. 94 (1855) 597. 



RoscoE, Henry Enfield. On the measurement of the chemical action of 

 light. Phil.' Mag. [4] 11 (1856) 482 ; Proc. Roy. Inst. April 4, 1856 ; 

 Chemical Gazette, 14 (1856) 239 ; Proc. Roy. Soc. April 4, 1856 ; In- 

 stit. (1856) 346; J. prakt. Chem. 69 (1856) 312; Jsb. (1856) 185, 

 Abs. 



, . On the measurement of the chemical action of the solar 



rays. Proc. Roy. Inst. 3 (1858-62) 210, read March 2, 1860. 



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