KETINAL EXCITATION 387 



WTJNDT. Grundziige der physiol. Psychologic, ii., 1902. 



HERINC. Zur Lehre vom Lichtsinn. Vienna, 1878. Grafe-Samisch's Handb. d. 



Augenheilk. Leipzig, 1905-1907. 



SCHENCK. Sitzungsberichte d. Gesellsch. etc. zu Marburg, 1906. Pfliiger's Arch, 

 cxviii., 1907. 



Partial and Total Colour Blindness (cited in Schenck's Memoir, as above, 

 Pliiger's Arch, cxviii., 1907) : 



SEEBECK. Poggendorf s Annal. xlii., 1837. 



BECKER. Grafe's Arch. f. Ophthalm. xxv., 1879. 



HIPPEL. Arch. f. Ophthalm. xviii., 1880. 



HOLMGREEN. Zentralblatt f. d. med. Wissensch., 1800. 



SCHOLER and UTHOFF. Beitrage zur Path. d. Sehnerven. Berlin, 1884. 



SIEMMERLING and KONIG. Arch. f. Psychiatr. xxi., 1889. 



FICK. Hermann's Handb. d. Physiol. iii., 1879. Pfliiger's Arch, xlvii., 1890. 



KIRSCHMANN. Wundt's Philosophische Studien, viii., 1892. 



HERING. Pfliiger's Arch. Ivii., 1894. 



VON VINTSCHGAU. Ibidem. 



KONIG. Sitzungsber. d. preuss. Akad. d. Wissensch. in Berlin, xxxiv., 1897. 



Helmholtz' Festschrift, 1901. 



PERGENS. Klinische Monatsblatt f. Augenheilk. xl., 1902. 

 ROSWEL and ANGIER. Zeitschr. f. Psychol. u. Physiol. d. Sinnesorg. xxxvii., 



1904. 



NAGEL. Engelmann's Arch. f. Physiol., 1904. 

 LEVY. Dissertation. Freiburg, 1903. Zeitschr. f. Psychol. u. Physiol. d. 



Sinnesorg. xxxvi., 1904. 



v. KRIES. Nagel's Handb. d. Physiol. iii., 1905. 

 NAGEL. Zeitschr. f. Psychol. u. Physiol. d. Sinnesorg. xiii., 1897; xv., 1897; 



xxxix., 1905. 



PIPER. Zeitschr. f. Psychol. u. Physiol. d. Sinnesorg. xxxviii., 1905. 

 LEVY. v. Grafe's Arch. Ixii., 1906. 

 COLLIN and NAGEL. Zeitschr. f. Psychol. u. Physiol. d. Sinnesorg. xli., 1906. 



Recent English Literature : 



WALLER. On the Double Nature of the Photoelectrical Response of the Frog's 



Retina. Quart. Journ. of Experiment. Physiol., 1909, ii. 169. 

 JOLLY. On the Electrical Response of the Frog's Eyeball to Light. Quart. Journ. 



of Experiment. Physiol., 1909, ii. 363. 

 HAYCRAFT. The Colour-blind Margin of the Blind Spot. Journ. of Physiol., 



1910, xc. 492. 

 PARSONS. An Introduction to the Study of Colour Vision. Cambridge, 1915. 



(This monograph contains references to the more important papers on its 



subject.) 



EDRIDGE-GREEN. Colour Blindness and Colour Reception. London, 1909. 

 EDRIDGE-GREEN. Visual Phenomena connected with the Yellow Spot. Journ. of 



Physiol., 1910, xli. 263. 

 EDRIDGE-GREEN. Simultaneous Colour Contrast. Journ. of Physiol., 1912, 



xlv. xix. 

 EDRIDGE-GREEN. The Simple Character of Yellow Sensation. Journ. of Physiol., 



1915, xlix. 265. e . 



EDRIDGE-GREEN. Certain Phases of the Positive After-image. Journ. of Physiol., 



1913, xlvii. vi. 

 EDRIDGE-GREEN. The After-Images of Black and White on Coloured Surfaces. 



Journ. of Physiol., 1913, xlvi. 180. 

 EDRIDGE-GREEN and PORTER. The After-images of Simple and Compound 



Colours. Journ. of Physiol. 1. ix. 

 ANGELL. The Size and Distance of Projection of an After-Image in the Field of 



the Closed Eyes. Americ. Journ. of Psychol., 1913, xxiv. 262. 

 WATT. The Psychology of Visual Motion. British Journ. of Psychol., 1913, 



vi. 26. 



