■vy "-Ref^ort Brit . issor I'^^'^S 



Plate 11 



Fzcf. 1. (151 ) 



Fig. Z. {81 ) 



Fl^.3. fSj 



Fi^. 4. fSZj 



Fx.g.5^jT5) 



Fi^. 6. (150) 



IlZustrattriff the^ Report an/ the- JSx:rosa)pvc Structure' of th& Older Rochs of 



