NERVOUS SYSTEM AND BEHAVIOUR 467 



97. Scharrer, E. and Scharrer, B., "Neurosecretion," Physiol. Rev., 25, 171 

 (1945). 



98. Schmitt, F. O. and Bear, R. S., "The ultrastructure of the nerve axon 

 sheath," Biol. Rev., 14, 27 (1939). 



99. Schwartz, B. and Safir, S. R., "Habit formation in the fiddler crab," /. 

 Anim. Behav.,5, 226(1915). 



100. Silen, L., "On the nervous system of Glossobalanus marginatus" Acta 

 Zool., 31, 149 (1950). 



101. Silen, L., "On the nervous system of Phoronis" Ark. Zool., 6, 1 (1954). 



102. Smith, J. E., "On the nervous system of the starfish Marthasterias glacialis" 

 Phil. Trans. B., 227, 111 (1937). 



103. Smith, J. E., "The role of the nervous system in some activities of star- 

 fishes," Biol. Rev., 20, 29 (1945). 



104. Smith, J. E., "The mechanics and innervation of the star-fish tube foot- 

 ampulla system," Phil. Trans. B., 232, 279 (1946). 



105. Smith, J. E., "The motor nervous system of the starfish, Astropecten 

 irregularis;' ibid., 234, 521 (1950). 



106. Smith, J. E., "Some observations on the nervous mechanisms underlying 

 the behaviour of starfishes," Symp. Soc. Exp. Biol., 4, 196 (1950). 



\06a. Smith, J. E., "The nervous anatomy of the body segments of nereid 

 polychaetes," Phil. Trans., 240, 135 (1957). 



107. Spooner, G. M., "The learning of detours by wrasse (Ctenolabrus rupes- 

 /m)," /. Mar. Biol. Ass. U.K., 21, 497 (1937). 



108. Sproston, N. G. and Hartley, P. H. T., "Observations on the bionomics 

 and physiology of Trebius and Lemaeocera" ibid., 25, 393 (1941). 



109. Steinbach, H. B., "The sodium and potassium balance of muscle and 

 nerve," in Modern Trends in Physiology and Biochemistry, Ed. Barrow, 

 E. S. G. (New York, Academic Press, 1952). 



110. Taylor, C. V., "Fibrillar systems in ciliates," in Protozoa in Biological 

 Research, Ed. Calkins, G. N. and Summers, F. M. (New York, Columbia 

 Univ. Press, 1941). 



111. Taylor, G. W., "The optical properties of the shrimp nerve fiber sheath," 

 /. Cell. Comp. Physiol, 18, 233 (1941). 



112. Tinbergen, N., The Study of Instinct (Oxford, Clarendon Press, 1951). 



1 13. Turner, R. S., "Functional anatomy of the giant fiber system of Callianassa 

 calif orniensis;' Physiol. Zool., 23, 35 (1950). 



1 14. Turner, R. S., "Modification by temperature of conduction and ganglionic 

 transmission in the gastropod nervous system," /. Gen. Physiol., 36, 463 

 (1953). 



115. Turner, R. S., Hagins, W. A. and Moore, A. R., "Influence of certain 

 neurotropic substances on central and synaptic transmission in Callianassa;' 

 Proc. Soc. Exp. Biol. Med., 73, 156 (1950). 



116. Washburn, M. F., The Animal Mind: A Text-book of Comparative Pyschol- 

 ogy (New York, Macmillan, 1936). 



117. Wells, G. P., "The behaviour of Arenicola marina in sand, and the role of 

 spontaneous activity cycles," /. Mar. Biol. Ass. U.K., 28, 465 (1949). 



118. Wells, G. P., "Spontaneous activity cycles in polychaete worms," Symp. 

 Soc. Exp. Biol., 4, 127 (1950). 



1 19. Wells, G. P., "On the behaviour of Sabella" Proc. Roy. Soc. B., 151, 278 

 (1951). 



