Q^l.Maa 1S68 



VolV PI IV 



KS Smxth, djti A. Holhydk Utk- 



Fups L.M ,Stru!kl/77ic/zma VavixLsoni 



Figs2.Z(V,S ., . — SaUeru 



Fw.Q PervWj'nerus ohlangvus. 



WWest imp 



