MAN AND THE GLACIAL PERIOD. 



7i 



pit, two specimens had been taken from the lower part of the clay (4 

 in section). There can be little doubt, however, that they were found 

 by Mr. Frere in the gravel below the " red-brick earth," as he says 

 that " they lay in great numbers at the depth of about twelve feet in 



Fig. 7. 1. Sandy " trail" with flint-pebbles. 4. Yellowish-brown clay, unstratified at top and graduating 

 downward into obscurely stratified chalky clay ten feet. 5. Two thin bands of small chalky gravel, 

 separated by eight inches of loam. 7. Dark calcareous clay, with fragments of wood and other vege- 

 tation. 



a stratified soil, which was dug into for the purpose of raising clay 

 for bricks. Under a foot and a half of vegetable earth was clay seven 

 and a half feet thick, and beneath this one foot of sand with shells, 

 and under this two feet of gravel, in which the shaped flints were 

 found generally at the rate of five or six in a square yard. The man- 

 ner in which the flint implements lay wovdd lead to the persuasion 

 that it was a place of their manufacture, and not of their accidental 

 deposit. Their numbers were so great that the man who carried on 

 the brickwork told me that, before he was aware of their being ob- 

 jects of curiosity, he had emptied baskets full of them into the ruts 

 of the adjoining road." 



As I have already mentioned, the place at which the clay is now 

 excavated is some distance from that where Mr. Frere found the 

 implements, and they are now very seldom met with so seldom, 

 that none of the men working at the clay-pit when I was there had 

 ever seen one. 



To the west of the road, in the pit that has been opened in Sir Ed- 

 ward Kerrison's park, a section of the beds has been exposed at the 

 point marked Eva. general section, as shown in Fig. 8. The most re- 

 markable feature in the section is the occurrence of the upper clay (2 

 in section), containing angular patches of red sand, like that seen in 

 the "upper bowlder-clay " of other parts of the district. I cannot 

 help thinking that, if this section had been open when Prof. Prestwich 

 examined the deposits, he would have been led to modify his opinion 

 respecting the relation of the deposits to the Glacial period. I myself 

 believe this clay to be the upper bowlder-clay, and the sand with peb- 

 bles below it to be the " middle glacial sands and gravels." 



To trace the "red-brick earth" (4 in section) down toward the 

 lower bowlder-clay, I set some men to work, and had a shaft sunk at 



