Fig. I. Showing perfectly healthy L.S.H. strain pouch skin homograft of more 

 than 100 days standing on the chest of a C.B. strain host. 







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r 





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■i»'>%^rr^C^4-r'-'^.'^4>' :'"sm 



Fig. 1. Section through L.S.H. pouch skin homograft which has remained in an isograft-hke 

 condition for more than lOO days on the chest of a C.B. strain host. Note distinctive com- 

 pact cuticle and complete absence of cellular infiltration, (x no.) 



To face p. 94 



