PV. 36. 



Fig\ 38 . 



PHEN.VflTF. 



FigC3'7; 



dSd-%) 

 Froment 



Oiwal 



w=(d 1 d?z ~b y— e± 



ij = (d?d'H h )= e' 3 



Oural 



Fk'\+< 



l'orra del Greco 



