126 



W. W. SWINGLE 





e.m. 



c. 



A ^ 



"^1 .Ci ^ 



'^^yC\/-——^ e.m. 





pllf^'pi 



^ 



% 



^ y 



^z^ 



B 



-s.e.m. 



Fig. 3 A, section through skin of engrafted animal, e, epidermis; em, epi- 

 dermal melanophores; c, stratum spongiosum of corium, containing greatly 

 expanded subepidermal melanophores. B, section through skin of light-colored 

 control, e.m., epidermal melanophores; s.e.m., subepidermal melanophores 

 contracted; e, stratum corneum; c, corium. 



