I' I. ATE TG. 



Fif!. 1. LllhosoiiKi (icIiitdiiK tra : iil>:icliii;il surrjice of lyiic, I'cduccd, p. liOS. 

 2. LifliosDiiKi ixiiicliid : nctliial sui'tVicc of type, enliir,t;e(l, p. '.U)l. 

 8. Litliosonid (i<-ti)ionirtni ; actinal surface type, reduce*!, p. l*9S. 



028 



