﻿76 DR. WOOLACOTT ON THE SUPERFICIAL DEPOSITS, ETC. [Feb. I905, 



(a) The pre-Glacial Valley of the Tyne. 



This is perhaps of greatest interest, as some peculiarities occur in 

 connection with it that are not found so distinctly in any of the 



Llj un2|/\| uopjng 

 uojjjuo MCr l 



UIB|/\| A0J8d 



}'.d PIO uopmoh 



puasj^M 



js>i|i3M mo-\ 



~. © 



£ 



Suj||aj 



|9A8"1 M§!H 8|iSB0M0N 

 >|OIMS|3 



>|Oi/ws|3 



SH" 1 * vd M8 N POOMJOM 



■s © 



g § 



uopA^ia 

 uopABia 



v\m$ 



uojAy 





."S © 













O eiS 





O ** 





—1 3 





O «P 





-2 





^ 





2 © 



CO 

 UJ 



*3 



_1 



C jj 





CO 

 CM 



O 





<0 























— 





p— — _, — 1 



-TT— 1 ^=3 



00000 



Ol -sf (D CO 



OOO 



CM <tf CD 







pq 



'S.o 



^(O eS 



.£ ? £ 



8o tf 

 5 ^ s 



2 3 © 

 m as 



2 * « 



*= «3 O 



Ph.S ^ 



*M 

 © ce 



^B 



others. If boriugs down this river are examined, they are found 

 to prove that the rock-surface lies at a certain level beueath that 

 of the present river, but that the slope of it is not uniformly 



