INTRODUCTORY 27 



31. Marshall, N. B., Aspects of Deep Sea Biology (London, Hutchinson, 

 1954). 



32. Marsland, D., "Protoplasmic contractility: pressure experiments on the 

 motility of living cells," Sci. Monthly, 67, 193 (1948). 



33. Pease, D. C. and Kitching, J. A., "The influence of hydrostatic pressure 

 upon ciliary frequency," J. Cell. Comp. Physiol., 14, 135 (1939). 



34. Poole, H. H. and Atkins, W. R. G., "The penetration into the sea of light 

 of various wave-lengths as measured by emission or rectifier photo-electric 

 cells," Proc. Roy. Soc. B., 123, 151 (1937). 



35. Regnard, P., Recherches Experimentales sur les Conditions Physiques de la 

 Vie dans les Eaux (Paris, Masson, 1891). 



35#. Richards, F. A., "Some current aspects of chemical oceanography," in 

 Progress in Physics and Chemistry of the Earth (London, Pergamon, 1957). 



36. Ricketts, E. F. and Calvin, J., Between Pacific Tides, 3rd ed., revised by 

 Hedgpeth, J. W. (California, Stanford Univ. Press, 1952). 



37. Sverdrup, H. U., Johnson, M. W. and Fleming, R. H., 77?<? Oceans, 

 their Physics, Chemistry and General Biology (New York, Prentice Hall, 

 1942). 



38. Utterback, C. L., "Spectral bands of submarine solar radiation in the 

 North Pacific and adjacent inshore waters," Rapp. Cons. Explor. Mer, 101 

 (2), 4, 15 pp., 1936). 



39. Welsh, J. H.( and Chase, F. A. Jr., "Eyes of deep-sea crustaceans. 1. 

 Acanthephyridae," Biol. Bull., 72, 57 (1937). 



40. Welsh, J. H. and Chase, F. A. Jr., "Eyes of deep-sea crustaceans. 2. 

 Sergestidae," ibid., 74, 364 (1938). 



41. Wilson, D. P., "The aquarium and sea-water circulation system at the 

 Plymouth Laboratory," /. Mar. Biol. Ass. U.K., 31, 193 (1952). 



42. Wilson, D. P. and Armstrong, F. A. J., "Biological differences between 

 sea waters: experiments in 1953," ibid., 33, 347 (1954). 



43. Yonge, C. M., A Year on the Great Barrier Reef { London, Putnam, 1930). 



44. Yonge, C. M., The Sea Shore (London, Collins, 1949). 



45. Zobell, C. E., "Bacterial life at the bottom of the Philippine trench," 

 Science, 115, 507 (1952). 



46. Zobell, C. E. and Johnson, F. H., "The influence of hydrostatic pressure 

 on the growth and viability of terrestrial and marine bacteria," /. Bact., 

 57, 179 (1949). 



