110 Papers from the Marine Biological Laboratory at Tortugas. 



REFERENCES CITED. 

 Bert, P. 



1869. Sur la question de savoir si tous Ics animaux voient les memes rayons 

 que nous. Arch, de Physiol., 1869. 

 BOHN, G. 



1908. Introduction k la psycliologie des animaux ii symdtrie rayonn^e. Bui. 

 Inst. Gen. Psychol., 1908. 



Cole, L. J. 



1910. Direction of locomotion of the starfish {Aslerias forbesii). Science, 

 n.s., vol. XXXI, No. 795. 

 COWLES, R. P. 



1909. Preliminary report on the behavior of echinoderms. Year Book of 

 Carnegie Institution of Washington, No. 8, 1909. 



1909. The movement of the starfish Echinaster toward the light. Zool. 

 Anzeig., Bd. xxxv, 1909. 



Jennings, H. S. 



1907. Behavior of the starfish Asterias forreri de Loriol. University of Cali- 

 fornia Publications in Zoology, vol. 4, No. 2, 1907. 

 LOEB, J. 



1893. Ueber kunstliche Umwandlung positiv heliotropischer Thiere in negativ 

 heliotropische und umgekehrt. Arch. f. d. gas. Physiol., Bd. 54, 1893. 



1900. Comparative physiology of the brain and comparative psychology. 

 G. P. Putnam's Sons, New York, 1900. 



Massart, J. 



1 89 1. Recherches sur les organismes inf^rieurs. Bull. Acad. Roy. Belgique, 

 t. 22, 1891. 

 Mast, S. O. 



1907. Light reactions in lower organisms. II. Volvox. Journ. of Comp. Neur. 

 and Psychol., vol. xvii. No. 2, 1907. 

 Merejkowsky, C. 



1 88 1. Les crustac^s inf^rieurs, distinguent-ils les couleurs? C. r. Acad. Sci., 

 t. 93, 1881. 

 Morgulis, S. 



19 10. The movements of the earthworm: A study of a neglected factor. 

 Science, March 25, n.s., vol. xxxi, No. 795, 1910. 



Parker, G. H. 



1901. The reactions of copepods to various stimuli and the bearing of this on 

 daily depth migration. U. S. Fish Com. Bull., vol. 21, 190 1. 



Preyer, W. 



1886-1887. Ueber die Bewegungen der Seesterne. Mitt, aus der Zool. Sta. zu 

 Neapel, Band 7, 1886-188 7. 

 Romanes, G. J. 



1885. Jelly-fish, Star-fish, and Sea-urchins. London, 1885. 

 Romanes, G. J., and Ewart, J. C. 



1 88 1. Observations on the locomotor system of Echinodermata. Phil. Trans. 

 Roy. Soc, London, vol. 172, pt. 3, 1881. 

 Strasburger, E. 



1878. Wirkung des Lichtes und der Warme auf Schwarmsporen. Jena. 

 Zeitschr., Bd. 12, 1878. 

 Tiedemann, F. 



18 1 5. Meckel's Archiv fur Physiologic, vol. i, 181 5. 

 Yerkes, R. M. 



1900. Reactionsofentomostraca to stimulation by light, I. Am. Journ. Physiol., 



vol. 3, 1900. 

 1903. Reactions of Daphnia pulex to light and heat. Mark Anniv. Vol., 1903. 



