46 COMPARATIVE PHYSIOLOGY 



or darkness. It is to be hoped that in the near future the 

 physicochemical properties of chromatophores will be the 

 subject of investigations analogous to those on ciliary and 

 amoeboid activity described at the beginning of this chapter. 



Further Reading 



Gray (1922-3). The Mechanism of Ciliary Movement, I-IV. Proc. 

 Roy. Soc. B. 93-95. 



Pantin (1924). On the Physiology of Amoeboid Movement, II. Brit. 

 Journ. Exp. Biol. i. 



Chambers and Reznikoff. Proc. Soc. Exp. Biol. Med. 22, 1925. 



Spaeth (19 16). Responses of Single Melanophores to Electrical Stimula- 

 tion. Am. Journ. Physiol. 41. 



Keeble and Gamble (1904-6). The Colour Physiology of the Higher 

 Crustacea. Phil. Trans. Roy. Soc. 



