References 353 



467. MAST, S. O., 1910. Reactions in Amoeba to light. Jour. 



Exper. Zool., vol. 9, p. 265. 



468. - - 1910. Reactions to light in marine turbellaria. Carnegie 



Inst., Washington, Year Book, No. 9, p. 131. 



469. - - 191 1. Habits and reactions of the ciliate Lacrymaria. 



Jour. Animal Behav., vol. i, p. 229. 



470. - - 1912. The reactions of the flagellate Peranema. Ibid., 



vol. 2, p. 91. 



471. - - 1912. Behavior of fireflies (Photinus pyralis) with special 



reference to the problem of orientation. Ibid., vol. 2, p. 256. 



472. 1914- Orientation in Euglena, with some remarks on 



tropisms. Biol. Cent., Bd. 34, S. 641. 



473. 1915. What are tropisms? Arch. f. Entwicklungsmech., 



Bd. 41, S. 251. 



474. - - 1915. The relative stimulating efficiency of spectral 



colors for the lower organisms. Proc. Nat. Acad. Sci., vol. 

 i, p. 622. 



475. - - 1916. Changes in shade, color, and pattern in fishes and 



their bearing on the problems of adaptation and behavior, 

 with especial reference to the flounders Paralichthys and 

 Ancylopsetta. Bull. Bureau Fisheries, vol. 34, p. 173. 



476. 1916. The process of orientation in the colonial organism 



Gonium pectorale, and a study of the structure and function 

 of the eyespot. Jour. Exper. Zool., vol. 20, p. i. 



477. MAST, S. O., and ROOT, F. M., 1916. Observations on Amoeba 



feeding on infusoria, and their bearing on the surface tension 

 theory. Proc. Nat. Acad. Sci., vol. 2, p. 188. 



478. MAYER, A. G., and SOULE, C. G., 1906. Some reactions of 



caterpillars and moths. Jour. Exp. Zool., vol. 3, p. 415. 



479. MAYER, A. M., 1874. Researches in acoustics. Am. Jour. 



Science and Arts, III Series, vol. 8, p. 89. 



480. MENDELSSOHN, M., 1895. Ueber den Thermotropismus 



einzelliger Organismen. Pfliigers Arch., Bd. 60, S. i. 



481. 1902. Recherches sur la thermotaxie des organismes 



unicellulaires. Jour, de physiol. et de pathol. gen., t. 4, 



P- 393- 



482. 1902. Recherches sur 1'interference de la thermotaxie 



avec d'autres tactismes et sur la mecanisme du mouvement 

 thermotactique. Ibid., t. 4, p. 475. 



2 A 



