340 



PROCEEDINGS OF THE GEOLOGICAL SOCIETY. 



ground; and for that purpose T applied to Mr. P. Bruff, C.E., of 

 Ipswich. This gentlemau very kindly offered me the gratnitous 

 services of his assistant, Mr. Miller, to run a level from the river 

 Debeu to Shottisham ; and I am indebted to him for the careful levels 

 and plan given in PI. VI. 



This survey has furnished the data for my section at Sutton, where 

 the old cliffs and shore-lines are shown (map and sections, PL YI.), 



Fig. 21. — Section in Bullock-yard pit, Sutton (D, PL VI.). 



Ked Crag. 



s'. Upper shore-line, with 

 blocks of Coralline Crag, 

 s' flints, coprolites, and 

 shells. 



s'. Lower shore-line, with 

 a seam of Mytili (m) and 

 « a bed of coprolites («). 



Fig. 22. — Section in the same pit, hut at right angles to the above. 



Ked Crag with two 



boulders of Coralline Crag, 



— ^ s' showing that No. 1 fell 



before, and No. 2 after the 



deposition of bed r. 



Fig. 2?i.— Section of pit (C, PL VI.) near the Bam. 



Red Crag with nume- 

 rous blocks and fragments 

 of Coralline Crag, show- 

 ing the section of the lower 

 shore on W. side of the 

 reef. 



while the details of them as seen in two of the pits are given in 

 figs. 21, 22, and 23. The upper shore-line s' is 31 feet above high 



