264. 
LOWER OOLITIC ROCKS OF ENGLAND! 
J Oolitic rag bed, very shelly, with FT. 
Pecteu, and Poly zoa, &c, 3 6 to 4 
Hard compact and oolitic lime- 
- r r stone ; with pchreous and sandy 
galls, that give rise to a honey- 
combed appearance on the wea- 
thered faces of the rock - 1 
Roof -bed ; coarse oolite with many 
Mollusca, Polyzoa, Echini, and 
Corals. Large Ostrea on surface 
and Lithodomi - - 1 2 to 2 
Pale oolitic freestone ; false-bedded 
in some places, and evenly 
bedded in others (about 24 feet). 
This has been divided as follows 
by the quarry men * : 
Capping (fine-grained oolite 
used for carving) 1 6 to 1 
Grey bed - - 1 8 to 3 
White beds (used for carving) 10 
Hard weather bed - 2 6 to 3 
Bed weather bed - 5 to 9 
Lower Division. <( 
The details vary from place to place, and in the escarpment 
below the monument on Farley Down, we find the Roof-bed to 
be very irregular, and to be surmounted in places by marly beds, 
with an impersistent Coral-bed, 2 to 10 feet thick. This Coral- 
bed was noticed by Lonsdale ; and it has been observed by 
Mr. R. F. Tomes at this locality, and also on Combe Down. The 
Corals appear to have been drifted, and they include Anabacia 
complanata, Calamophyllia (JEunomia) radiata, Convexastraa 
Waltoni, Isastrcea limitata, Latim^andra, Microsolena excelsa, 
Montlivaltia caryophyllata, Oroseris Slatteri, Stylina Ploti, and 
Thamnastr(ea.-\ Sponges also occur in the Coral-bed. Their oc- 
currence was noted at " Ancliff" by Lonsdale, and on JBathampton 
Down, by Moore.J Lonsdale has also referred to the bed that 
" after long exposure to the weather often acquires a cavernous 
appearance, similar to that which is called 'rustic work' by 
architects." It may be on the horizon of the White Limestone of 
Cirencester. (See p. 286.) 
Pale flaggy oolites, belonging to the upper part of the Great 
Oolite, were exposed to the south of King's Down ; and here 
there is a comparatively sharp dip- slope towards Monkton 
Farley and South Wraxall. In tissures of the Oolites Dear Bath, 
Pleistocene mammalian-remains are occasionally found. 
Passing on to Bathampton Down,|| we find in the upper- 
most bed?, traces of Bradford Clay fossils. Moore has stated that 
fragments of Apiocrinus Parkinsoni, species of Echini, Ostrea, 
* See Lonsdale, Trans. Geol. Soc., ser. 2, vol. iii. pp. 251, 252 ; and account of 
Drewes quarry, Monkton Farley, in Report on Selection of Stone for building the 
New Houses of Parliament, 1839. 
f Tomes, Quart. Journ. Geol. Soc., vol. xli. pp. 174, 189. 
J Geologist, vol. iii. p. 440. 
Moore, Proc. Bath Nat. Hist. Club, vol. ii. p. 37. 
|| Hampton Down, Bath, is liable to be confused with Minchinhampton, as in both 
localities the stone has been termed " Hampton Stone." 
