518 



MESSES. WHITE AND TEEACHEE ON THE [Aug. 1906, 



The flint-band in bed (1), and the top of the hard chalk-band 

 (2), dip about south-south-east at 23° to 25°. The higher beds are 

 poorly exposed on a broken face, at a wide augle to the dip. 



The names of the fossils obtained from the several beds are 

 tabulated below : — 



X = observed occurrence ; 

 c = common; vc — very common. Beds.. 



Lamna appcndicidata, Ag 



Exogyra sigmoidea, Reuss 1 



Inoceramus Cuvieri, Sow 



Ostrea liippopodium, Nilss 



Ostrea (cf.) lateralis var. striata, Nilss 



Pecten cretosus, Defr 



Teredo amphisbcena, Sow 



Kingena lima (Defr.) 



Terebratula carnea, Sow 



Terebratulina striata (Wahl.) 



Berenicea polystoma (Romer) 



Crisina cenomana, d'Orb 



Idmonea alipes, Gregory 



Proboscina angustata, d'Orb 



Stomal opora gracilis (M.-Edw.) 



Stomatopora granulata (M.-Edw.) 



Tervia subgracilis (d'Orb. ) 



Membranipora sp 



Vincularia sp , 



Bairdia subdeltoidea (Minister) 



Cytherella ovata (Romer) 



Serpula granulata, Sow 



Serpida plana, S. Woodw 



Cidaris clavigera, Konig 



Cidaris hiruclo, Sorig 



Cidaris perornata, Forbes 



Cidaris sceptrifera, Mant 



Echinocorys smtatus, Leske. Ovate form 



Helicodiadema fragile (Wilt.) 



Micraster cor-anguinum (Klein ) 



Asteroiclea 



j Bourgueticrinus 



Pentacrinns , 



Porosphcera globidaris (Phill.) 



Porosphcsra patelliformis, Hinde 



Plinthosella squamosa, Zittel , 



2. 



3. 



4. 





X 



X 

 X 





vc 



c 

 vc 



X 

 X 



::: 



... 

 ... 



X 



X 

 X 

 X 



c 

 X 

 X 

 X 

 X 



x 



X 

 X 

 X 

 X 

 X 



... 



X 



X 



X 

 X 





X 



X 

 X 





X 



X 



... 



X 



c 





X 



X 





vc 



X 



X 





X 



X 



X 



The Chalk seen in this quarry all belongs to the zone of Micraster 

 cor-anguinum ; and — to judge from the relative frequency of the 

 species in the lowest bed, where the lithological conditions are 

 normal — to horizons which are between 30 and 60 feet below the 

 top of that zone in other parts of Berkshire. 



That its strong dip towards the south-south-east is not main- 

 tained far behind the strike-face of the quarry, is evident from the 



1 So far as we can ascertain, Exogyra 

 recorded from the Chalk of this country. 



has not hitherto been 



