468 THE BIOLOGY OF MARINE ANIMALS 



120. Wells, G. P. and Albrecht, E. B., "The integration of activity cycles in 

 the behaviour of Arenicola marina,'" J. Exp. Biol., 28, 41 (1951). 



121. Wells, G. P. and Dales, R. P., "Spontaneous activity patterns in animal 

 behaviour: the irrigation of the burrow in the polychaetes, Chaetopterus 

 variopedatus and Nereis diver sicolor," J. Mar. Biol. Ass. U.K., 29, 661 

 (1951). 



\2\a. Wells, M. J. and Wells, J., "The effect of lesions to the vertical and 

 optic lobes on tactile discrimination in Octopus", J. Exp. Biol., 34, 378 

 (1957). 



1216. Wells, M. J. and Wells, J., "Repeated presentation experiments and the 

 function of the vertical lobe in Octopus", ibid., 34, 469 (1957). 



122. Welsh, J. H., "Marine invertebrate preparations useful in the bioassay of 

 acetylcholine and 5-hydroxytryptamine," Nature, 173, 955 (1954). 



123. Whitear, M., "The stomatogastric nervous system of Arenicola," Quart. J. 

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124. Wiersma, C. A. G., "Repetitive discharges of motor fibers caused by a 

 single impulse in giant fibers of the crayfish," /. Cell. Comp. Physiol., 40, 

 399 (1952). 



125. Wiersma, C. A. G., "Neural transmission in invertebrates," Physiol. Rev., 

 33, 326 (1953). 



126. Wilson, D. P., "The role of micro-organisms in the settlement of Ophelia 

 bicornis" J. Mar. Biol. Ass. U.K., 34, 531 (1955). 



127. Young, J. Z., "The giant nerve fibres and epistellar body of cephalopods," 

 Quart. J. Micr. Sci., 78, 367 (1936). 



128. Young, J. Z., "Structure of nerve fibres and synapses in some inverte- 

 brates," Cold Spr. Harb. Synip. Quant. Biol., 4, 1 (1936). 



129. Young, J. Z., "Synaptic transmission in the absence of nerve cell bodies," 

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1 30. Young, J. Z., "The evolution of the nervous system and of the relationship 

 of organism and environment," in Evolution: Essays Presented to Prof. E. S. 

 Goodrich, Ed. de Beer, G. R. (Oxford, Clarendon Press, 1938). 



131. Young, J. Z., "The functioning of the giant nerve fibres of the squid," 

 J. Exp. Biol., 15, 170(1938). 



132. Young, J. Z., "Fused neurons and synaptic contacts in the giant nerve 

 fibres of cephalopods," Phil. Trans. B., 229, 465 (1939). 



133. Young, J. Z., "Growth and plasticity in the nervous system," Proc. Roy. 

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134. Zacks, S. I. and Welsh, J. H., "Cholinesterase and lipase in the amoebo- 

 cytes, etc., of Venus mercenaria," Biol. Bull., 105, 200 (1953). 



