PLATE 2 



EXPLANATION OF FIGURES 



7 Section through the skin of control, showing contracted melanophores 

 at A. X 700. 



8 Section through skin of engrafted individual. Expanded epidermal 

 melanophore above the subepidermal pigment cells at B. X 700. 



9 Expanded melanophores in skin of engrafted animal. X 700. 



10 Expanded melanophores in meninges of brain of engrafted animal. 



140 



