the Lea 
similarly 
Still hold these opinions, and am prepared to demonstrate 
~ stat truth ; and I ask the attention of the Society to a re- 
_ \Sinent of the exact geological facts to be seen in the Somme 
qe, and to evidence quite independent of that which has 
 .... Previously submitted to the Society, although to a certain 
< - soins over the same ground. fies 
: .... conclusions that I arrive at are extremely dissimilar to 
au of Mr. Prestwich and Sir C. Lyell, and are as follows :— 
& "st, that the surface of the chalk in the valley of the 
a had assumed its present form prior to the deposition 
| a of the gravel or loess now to be seen there, and in this 
i corresponded with all other valleys in which Quaternary 
seek of this character are met with. 
i. ond, that the whole of the Amiens-valley gravel is of one 
= "oy —_ and of similar mineral character, and contains 
os a similar organic contents, the La Neuville, Montiers, 
> Rear t-Acheul gravels being of the same age, and capped with 
Wa ee of loess also of one age and mineral character, the. 
+ ony being of a date not much antecedent to the His- 
at 
their 
