44 Mr. W. Whitaker on some Surrey Wells. 
Thickness Depth : 
Well, in Made Ground, the rest bored ......... — 7 ) 
|River Drift, (Gravel .........ssssseceeeseseeeeeees 13 20 
19 feet. | (Gravel and clay .........ssceseee 6 26 
[London Clay, | Clay ........sccesssccesessceesenoeces 52 78 
67 feet. | {Bien GIBV ET ss scancccusescesteusccas TDs goes 
PINGS toc ccctinee ssnnvdesseenestentede ee, 108 
[Reading Beds, ; Mottled clay .......s.s-ssssseees 20 128 
54 feet. | | Sands Dodbanscssuseausedebsiavedvefes il 139 
Sand and pebbles .............+. 8 147 
Green [Thanet] sands .........sssssesssceessseeeees 39 186 
Aleplipiesaseaes 55 acteseesenass scones 6 192 
[Upper Chalk] | Pints and chal 158 350 
Mitcham. London Brighton and South Coast Railway Station. 
. 1898. 
Made and communicated by Messrs. Lecranp and Surcuirr. 
Water-level 463 feet down (September). 
Thickness Depth 
Well (old), the rest bored  .........sseeeeceeeeeees _ 61 ‘ 
ISIMENGLA Vs teeenencinsssnssopes oka 92 153 
Pet feos ? | Dark mottled sandy clay ... 26 179 
hea (Blue sandy clay and pebbles 14 = 1804 
Hard bands, and shell and ; 
clay conglomerate ...... 83 189 
. Mottled and sandy clay ...... 4 193 
Diop heel nae Blue clay and shells ......... 24 1953 
Reading Beds, 
60} feet 2] Black peaty clay and shells 43 200 
Light-coloured mottled clay 194 2194 
Green mottled clay ............ 4 2233 
\Green sandy clay and pebbles 174 241 
Ph AMet SHUG asoessesncerevesscccehes benntendes Scisaees 24 265 
(Challe and uuittsiprspscaece-piencsrspcnssanecasessorenye 169 434 
Possibly the top bed classed with the Woolwich Beds may 
belong to the basement-bed of the London Clay. 
Mitcham. Messrs. T'ypke d King. On the northern side of the 
Common, just north of Tamworth Lodge. 1896. 
Made and communicated by Messrs. Leeranp and Surcrirr. 
Water-level 44 feet down. 
Thickness Depth 
|River| Gravel are gece caer ns 12 12 
rown clay and stones ...... 2 14 
ae "aed $ { Blue clay and septaria ......... 83 97 
ee (Brown sandy clay ...........00+ 17 114 
[Woolwich and { Clay, shells (Ostrea & Cyrena) 
Reading Beds, and mundic ........ prrers 294 1433 
54 feet.|  Wotbloth Whaiy cs:.sesccssvacosct cee 243 168 
Ramotl Sarl, Pesce. .isusagewces eee as areas 40 208 
Chalkis Mintsiecec.-sseecrssenes«sasettrescaceussceewe 92 300 
