504 THE BIOLOGY OF MARINE ANIMALS 



64. Nicola, M. de, "The carotenoids of the carapace of the echinoderm 

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65. Nicola, M. de, and Goodwin, T. W., "The distribution of carotenoids in 

 some marine invertebrates," Pubbl. Staz. Zool. Napoli, 25, 145 (1954). 



66. Osborn, C. M., "Studies on the growth of integumentary pigment in the 

 lower vertebrates. 1. The origin of artificially developed melanophores on 

 the normally unpigmented ventral surface of the summer flounder (Para- 

 lichthys dentatus)" Biol. Bull., 81, 341 (1941). 



67. Panizzi, L. and Nicolaus, R., "Ricerche sulle melanine. 1. Sulla melanina 

 di seppia," Gazz. Chim. Ital., 82, 435 (1952). 



68. Parker, G. H., Animal Colour Changes and their Neurohumours (Cambridge 

 Univ. Press, 1948). 



69. Pfund, A. H., "The colors of mother-of-pearl," /. Franklin Inst., 183, 453 

 (1917). 



70. Phear, E. A., "Gut haems in the invertebrates," Proc. Zool. Soc, 125, 383 

 (1955). 



71. Pinckard, J. H., Kittrtdge, J. S., Fox, D. L. and Haxo, F. T., "Pigments 

 from a marine 'red water' population of the dinoflagellate Prorocentrum 

 micans" Arch. Biochim. Biophys., 44, 189 (1953). 



72. Rose, M. and Vaissiere, R., "Le systeme excreto-glandulaire des Sapphir- 

 ines," Arch. Zool. Exp. Gen., 87, 134 (1951). 



73. Scheer, B. T., "Some features of the metabolism of the carotenoid pigments 

 in the California sea mussel (Mytilus calif ornianus),^ J. Biol. Chem., 136, 

 275 (1940). 



74. Strain, H. H., "Hopkinsiaxanthin, a xanthophyll of the sea slug Hopkinsia 

 rosacea;' Biol. Bull., 97, 206 (1949). 



75. Sumner, F. B., "Quantitative changes in pigmentation, resulting from visual 

 stimulation in fishes and amphibia," Biol. Rev., 15, 351 (1940). 



76. Sumner, F. B., "Vision and guanine production in fishes," Proc. Nat. Acad. 

 Sci., 30, 285 (1944). 



77. Sumner, F. B. and Doudoroff, P., "Some quantitative relations between 

 visual stimuli and the production or destruction of melanin in fishes," ibid., 

 23,211 (1937). 



78. Tdoer, R., "Sur quelques pigments tetrapyrroliques provenants d'animaux 

 marins," Mem. Mus. Hist. Nat., Paris, N.S. A, Zool., 5, 41 (1953). 



79. Townsend, C. H., "Records of changes in color among fishes," Zoologica, 

 N.Y.,9,2>2\ (1934). 



80. Verne, J., Couleurs et Pigments des Etres Vivants (Paris, Colin, 1930). 



81. Vevers, H. G., "The biology of Asterias rubens. 3. The carotenoid pigments 

 in the integument," /. Mar. Biol. Ass. U.K., 30, 569 (1952). 



82. Willstaedt, H., "Zur Kenntnis der griinen Farbstoffe von See-fischen," 

 Enzymologica, 9, 260 (1941). 



