Influence of Environment upon the Organism. 487 



141. Bert, P. Influence des diverses couleurs sur la vegetation. 



Comptes Rendus, Ixxiii. (1871), p. 1444. {Of. Sachs' 

 Physiology of Plants, etc., for summary of similar 

 researches.) 



142. CoHN, F. JB. Schles. Ges. Vaterl Cult., 1883, pp. 179- 



186. J. K. Micr. Soc, 1884, p. 84. 

 Mechanical action of light on plants. 



143. Detmer, W. Zum Problem der Vererbung. Arch. f. ges. 



Physiol., xli. (1887), pp. 203-215. 



Deep-rooted effect of light on histology of plant organisms 

 (with references). 



144. Engelmann, T. W. ijber Reizung Contraktilen Proto- 



plasmas durch plotzliche Beleuchtung. Arch. f. ges. 

 Physiol., xix. (1879), pp. 1-7. 



145. FizzoNi, G., and Fileti, M. Atti. Accad. Lincei, iv. (1880), 



p. 168. 



Rabbits in dark decreased in weight and amount of haemo- 

 globin. 



146. FoL, H. Sur les conditions d'existence sous le rapport de 



la lumiere, des animaux aquatiques vivant dans les 

 grandes profondeurs. Arch. Sci. Phys. Nat., xiv. 

 (1885), pp. 269-271. 



147. FoREL, F. A. La penetration de la lumiere dans les lacs 



d'eau douce. Festschrift. A. v. Kolliker, Bonn, 1887. 



148. Frank. Pringsheim's Jahrb. f. wiss. Bot., ix., p. 147. 



Influence of light on histology of Thuja. Cf. Heinricher, 

 ibid., XV. 



149. Geddes, p. Art. Sex. Encycl. Brit, quotes authorities on 



influence of light on sex. 



150. Graber, V. Fundamentalversuche iiber die Helligkeits-und 



Farben-Empfindlichkeit augenloser und geblendeter 

 Thiere. SB. Ak. Wien, T. 87 (1883), pp. 201-236. 



151. . Grundlinien zur Erforschung des Helligkeits 



und Farbensinnes der Thiere. Prag. und Leipzig, 

 pp. 322, 1884. 



VOL. IX. 2 K 



