LUMINESCENCE 581 



49c. Nicol, J. A. C, "Luminescence in polynoids. 4. Measurements of light 



intensity," ibid., 37, 33 (1958). 

 49d. Nicol, J. A. C, "Spectral composition of the light of Pholas dactylus" 



ibid., 37, 43 (1958). 



50. Okada, Y. K., "Luminescence et organe photogene des Ostracodes," Bull. 

 Soc. Zool. Fr., 51, 478 (1926). 



51. Panceri, P., "The luminous organs and the light of the Pholades," Quart. 

 J. Micr. ScL, 12, 254(1872). 



5\a. Sweeney, B. M. and Hastings, J. W., "Characteristics of the diurnal 

 rhythm of luminescence in Gonyaulax polyedra," J. Cell. Comp. Physiol., 

 49, 115(1957). 



52. Tattersall, W. M. and Tattersall, O. S., The British Mysidacea (London, 

 Ray Soc, 1951). 



53. Tchernavin, V. V., The Feeding Mechanisms of a Deep Sea Fish Chauliodus 

 sloani Schneider (London, Brit. Mus. (Nat. Hist.) 1953). 



54. Tsuji, F. I., Chase, A. M. and Harvey, E. N., "Recent studies on the 

 chemistry of Cypridina luciferin," in The Luminescence of Biological Sys- 

 tems, Ed. Johnson, F. H. (Wash., Amer. Ass. Adv. Sci., 1955). 



