Ylll. 



\^\^.':' ■■'' .-/:lt}J'-'' 



Fi^. Hi. — A inonoclinal fold or flexiire. (Powell). 



Fig. iv. — Section across a simple fault. (Po^vell). 



Fig. V. — Section across a monocline \^-hich is passing, by 

 crushing of the strata, into a fault. (Powell). 

 Compare Plate XVI. 



