AND OF THE KEIGHBOTJEHOOD OF WATFORD. 



95 



&ygs\ ^IG. 2.— General Section at Watford 

 Heath Kiln.^ 



J d' 





London 



Clay, 

 21 1- ieet. 



(Scale, 8 feet to an inch.) 



{a) Brown clay with selenite, 

 f passing into the bed below 



{b) Brown sandy 

 clay, with a 

 fewverybadly- 

 p r es erved 

 shells {Cythe- 

 rea obiiqua, 

 Panopcea) , 

 and small 

 pieces of se- 

 lenite 



{c) Flint-pebbles, 

 with oyster- 

 shells and 

 shark's teeth . 

 {d) Brown sandy 

 , clay, more 



( p„. ^ sandy than the 



upper bed,with 

 iron-sandstone 

 and a little 

 ironstone at 

 the base [d"). 

 At the top 

 here and there 

 a bed of soft 

 clayey sand- 

 stone, bored 

 by Lithodomi, 

 from 6 inches 

 to a foot thick 



{d') 



(e) Flint-pebbles, 

 with oyster- 

 shells and 

 shark's teeth . 



Basement 

 Bed. 



Eeading 

 Beds, 



about 37 

 feet. 



Chalk («)• 



(/) Grey and mottled clay, 

 with a few flint-pebbles over 3 



(.9) Light-coloured sand . . 16 



{h) Sand, with beds of flint- 

 pebbles 9 



{i) Mixture of sand and 

 clay, light-coloured .... 3 

 Not shown (to the Chalk) 6 



^ * Whitaker,Mem.Geol. SurT.vol.iT.p.223,fig.56. 



