2 LITERATURE OF THE SPECTROSCOPE. 



Abney, W. deW., and T. E. Thorpe. Determination of the photo- 

 metric intensity of the coronal Hght. Proc. Roy. Soc. 46 (1889) 

 354- 



and G. S. Edwards. Effect of the spectrum on the haloid 



salts of silver. Proc. Roy. Soc. 47 (1890) 249; Jahresb. (1890) 

 407. 



Numerical registration of colours. Proc. Roy. Soc. 49 



(1891) 227-233; 50 (1891) 369-372; Beibl. (1891) 512. 



Limit of visibility of the various rays. Proc. Roy. Soc. 



49 (1891) 509-521; Beibl. (1892) 741. 

 , Sensitiveness of the eye to light and colour. Nature 



47 (1893) 538-542; Beibl. (1893) 57i- 



Measurement of colour produced by contrast. Proc. 



Roy. Soc. 56 (1894) 221-229; Beibl. (1895) 179. 

 . Photographs of flames. Chem. News 70 (1894) 10. 



. Note on photographing sources of light with monochro- 

 matic rays. Proc. Roy. Soc. 60 (1896) 13-15; Beibl. (1897) 981. 

 and T. E. Thorpe. Determination of the photometric in- 



tensity of the coronal light. Phil. Trans. 186 (1896) part I; 

 Astrophys. J. 4 (1896) 375. 



Sensitiveness of the retina to light and colours. Proc. 



Roy. Soc. 61 (1897) 330; Beibl. (1898) 409. 



Ueber die Zerlegung des Spektrums des elektrischen 



Lichtes in Leuchtkraftmengen von drei Farben. Jahrb. f. 



Photogr. (1899) 338-350- 

 Acroyd, \V. Law of colour in relation to chemical constitution. 



Chem. News 65 (1892) 202-203, 205; Beibl. (1892) 534. 

 . On the origin of colour. Chem. News 67 (1893) 27-28, 



64, 111-112, 147; Beibl. (1893) 445; (1894) 756. 

 Adeney, W. E., and /. Carson. The great Rowland spectrometer in 



the Roy. University of Ireland. Phil. Mag. (5) 46 (1898) 223-227. 

 Agafonoff, V. Sur 1' absorption du spectre ultraviolet par les corps 



cristallises. C.-R. 123 (1896) 490-492; Chem. News 74 (1896) 



204; Beibl. (1897) 227. 

 . Comparison de I'absorption, par les milieux cristallises, des 



rayons lumineux et des rayons Rontgen. C.-R. 124 (1897) 



855-^57; 125 (1897) 87-90; Beibl. (1898) 781. 

 Aitken, R. G. Variations in the spectrum of the Orion Nebula. Astro- 

 phys. J. 6 (1897) 365. 

 Almy, J. E. Accidental refraction in liquids. Phil. Mag. (5) 44 



(1897'! 499-503; Beibl. (1898) 156. 



