PliiLMag.S.5.Vol.2.PLII. 



Fig.l 



J> 



X 



3 



Pi^.3 



L^ 







J 



I l=Q-c' 



Fig .4 



K"C 



3 



HSSSZ2)D 



Fig. 5 



r a 



^i 



E = 



III 



Mm tern Bros. lith. 



