THE l^ROBLEM OP LYNCHETS. 



73 



What, then, are the theories to be tested by cutting through a 

 lynchet ? 



Diagram A shows what ought to be found on Scrope's view, 

 namely, humus turned downhill by the plough and accumulated 

 against a hedge, beyond which the slope suddenly steepens. 

 Diagram B shows the wall of stone or flint that Gomme requires, 

 against which humus or soil has been purposely placed to make 

 a cultural terrace. 



A. Scrope's theory ^ Tlic vertical lines indicate the uiKlistnrbed earth ; the 



^ ^, , , horizontal Hues indicate earth either turned down by the 



B. Gomme s theory - 



I plough and an-ested by a hedge and its roots ; or 



C. Natural theoiy J purposely placed there and retained by a wall. 



D. Nature and art conjoined. 



The numerals indicate the angle of slope. 



