11 



COLOR CHANGES IN ANIMALS 



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Fig. 29. The same portion of the caudal band as is shown in 

 Fig. 28 photographed nine and a quarter hours after the initiating 

 cut had been made. The pigment in the marginal denervated 

 melanophores is more concentrated than that of the axial color- 

 cells. Parker, Pro. Amer. Philos. Soc, 1935, 75, pi. 3> % l6 - 



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Fig. 30. The same portion of the caudal band as is shown in 

 Fig. 28 photographed fifty-four hours after the initiating cut had 

 been made. The pigment in all denervated melanophores is very 

 fully concentrated. Parker, Pro. Amer. Philos. Soc, 1935, 75, 

 pi. 3, fig. 18. 



