P/aMrews. rmw a. 
mnimmmzmnimic 
®mE33^S 
g*©** 55 * 
Fig.l. X 42 diameters 
X 40 diameters 
Fig. 6. X 200 diameters 
Fig. 3. x 50 diameters 
Fig. 2 . X 11 diameters 
