90 



PROCEEDINGS OF THE GEOLOGICAL SOCIETY. [JlUie 13, 



we find that the chalk range subsides for an mteryal, and gives way 

 to a low tract covered superficially with gravel. This accumulation is 

 spread out westward along the valley of the Wey, and abuts against 

 the ridge of lower greensand which bounds the stream, and which 

 evidently defined its limits. In other places the gravels thin out 

 against the slopes of the higher ground, as underneath Crooksbury, 

 where their sides are occupied by it : good instances and sections may 

 be seen, first, in the cutting near the Mill, and on the road to Moor 

 Park, as also in the Pine-wood beyond Waverley : the teeth and the 

 tusks of elephants have been lately met with in these gravels, in extra- 

 ordinary abundance. The character of the accumulation about Farn- 

 ham is better conveyed by a woodcut illustration than by verbal de- 

 scription (fig. 3). 



From Farnham the gravel beds pass outside the chalk range, and 

 not the slightest trace of them is to be found in the valley between 

 the escarpment of the chalk and the hne of hills south of it. At Guild- 

 ford the gravel passes through the break in the chalk, and is thence 

 spread out over the area of the Peasemarsh (fig. 4), and ends ofp with 

 an uniform level against the base of the hills which encircle this 

 valley. The remains of elephants, as well as of other animals, are 

 very abundant at this place. The railway-cutting from Guildford to 

 Godalming (fig. 5), and from Shalford to Postford (fig. 6), has given 



Fig. 5. 



sections of these gravel beds ; which indicate clearly their marginal 

 character, by the mixture of gravel and shingle with sands diagonally 

 arranged. The boundary-line is here also well-defined. 



The condition of this part of England antecedent to the accumula- 

 tion of the pleistocene beds is well shown in the Peasemarsh : the 

 remains of trees are found beneath the gravels with elephants' teeth 

 and tusks ; in one instance so many bones occurred together, in the 

 clay which underlies the gravel, as to warrant the conclusion that an 

 entire skeleton was buried at that spot. 



A north and south section from this marginal line of drift, as from 

 Guildford or Farnham to between Brighton and Rottingdean, would 

 show the pleistocene gravels, with characteristic animal remains, end- 



