PIGMENTS AND COLOURS 503 



coelomic fluid of the echinoid Diadema antillarum" Proc. Roy. Soc. B., 141, 

 231 (1953). 



42. Karrer, P. and Jucker, E., Carotenoids, trans. Branch, E. A. (London, 

 Elsevier, 1950). 



43. Kennedy, G. Y. and Vevers, H. G., "The biology of Aster ias rubens. 5. 

 A porphyrin pigment in the integument," /. Mar. Biol. Ass. U.K., 32, 235 

 (1953). 



44. Kennedy, G. Y. and Vevers, H. G., "The occurrence of porphyrins in 

 certain marine invertebrates," ibid., 33, 663 (1954). 



45. Kennedy, G. Y. and Vevers, H. G., "Porphyrin pigments in the tecti- 

 branch mollusc Akera bullata," ibid., 35, 35 (1956). 



46. Kinoshita, Y., "On the differentiation of the male colour-patterns, and the 

 sex ratio in Halichoeres poecilopterus" J. Sci. Hiroshima Univ., Ser. B, 3, 

 65 (1934). 



47. Kritzler, H., Fox, D. L., Hubbs, C. L. and Crane, S. C., "Carotenoid 

 pigmentation of the pomacentrid fish Hypsypops rubicunda" Copeia, 1950, 

 125 (1950). 



48. Kuroda, C. and Okajima, M., "Studies on naphthoquinone derivatives, 8," 

 Proc. Imp. Acad. Japan, 26, 33 (1950). 



49. Lederer, E., Les Carotenoides des Animaux (Paris, Hermann, 1935). 



50. Lederer, E., "Les pigments des Invertebres (a l'exception des pigments 

 respiratoires)," Biol. Rev., 15, 273 (1940). 



51. Lederer, E., "Biochemistry of the natural pigments," Annu. Rev. Biochem., 

 17, 495 (1948). 



52. Lemberg, R. and Legge, J. W., Hematin Compounds and Bile Pigments 

 (London, Interscience, 1949). 



53. Lenel, R., "Localisation et metabolisme des pigments carotenoides chez 

 Carsinus maenas," C. R. Acad. Sci., 236, 1448 (1953). 



54. Lerner, A. B. and Fitzpatrick, T. B., "Biochemistry of melanin forma- 

 tion," Physiol. Rev., 30, 91 (1950). 



55. Longley, W. H., "Studies upon the biological significance of animal 

 coloration," /. Exp. Zool., 23, 533 (1917). 



56. Longley, W. H. and Hildebrand, S. F., "Systematic catalogue of the fishes 

 of Tortugas, Florida," Publ. Carneg. Instn, No. 535 (1941). 



57. Mast, S. O., "Changes in shade, color, and pattern in fishes," Bull. U.S. 

 Bur. Fish, 34, 173 (1916). 



58. Mayer, F., The Chemistry of Natural Coloring Matters, trans. Cook, A. 

 H. (New York, Reinhold, 1943). 



59. Millott, N., "Observations on the skin pigment and amoebocytes, and the 

 occurrence of phenolases in the coelomic fluid of Holothuria forskali," J. 

 Mar. Biol. Ass. U.K., 31, 529 (1953). 



60. Monroy, A., Oddo, A. M. and Nicola, M. de, "The carotenoid pigments 

 during early development of the egg of the sea urchin Paracentrotus lividus,'' 1 

 Exp. Cell. Res., 2, 700 (1951). 



61 . Moore, H. B., "The biology of Purpura lapillus. 1 . Shell variation in relation 

 to environment," /. Mar. Biol. Ass. U.K., 21, 61 (1936). 



62. Mouchet, S., "Contribution a l'etude de la digestion chez les Gnathiidae," 

 Bull. Soc. Zool. Fr., 53, 442 (1928). 



63. Newbigin, M. I., Colour in Nature: a Study in Biology (London, John 

 Murray, 1898). 



