442 PROCEEDINGS OF THE GEOLOGICAL SOCIETY. [June 5, 



Table I. 



Localities. 



Beds exposed. 



New-Cross cutting of S. E. Railway... 

 Deptford cutting of N. K. Railway.., 



Brickfield S.W, of the above 



Leigh's brickfield, Lewisham 



Loam-pit Hill 



Lee Lane 



Blackheath cutting 



Pit N. of Vanburgh Fields 



Road near N.E. end of Blackheath 



Tunnel (Woodlands) 



Pits W. of Charlton Church 



New Charlton Pits 



Woolwich Dockyard Station 



Plumstead 



Harrow Road, Abbey Wood ; and 



BostallHill 



Pits near Eltham Church 



Chiselhurst HiU 



St. Paul's Cray and Orpington 



Brickfield at Farnborough 



Bromley HiU 



Addington Heath 



Beckenhara 



Chalk 



Chalk 



Chalk 



Chalk 



Chalk 

 Chalk 



London clay. 

 London clay. 

 London clay. 



London clay. 



6 

 6 

 6 

 6 

 6 



6 

 6 

 6 



6 London clay. 



London clay. 



6 London clay. 



6 London clay. 



Table II. 



Blackheath, 



Kingsdon and 

 Hungerford. 



stoke. 



Hertford. 



Newhaven. 



Alum Bay. 



White CM 

 Bay. 



London clay 



Pebble bed ... 



Striped yellow and 

 grey sand and loam 

 (with lignite). 



Shell-bed 



Mottled clay, green 

 sand and pebbles 

 (with lignite and 

 selenite) . 



Ash- coloured sand 



Green- coated flints 

 and sand. 



London clay . . 

 Pebble beds . . 

 Light- coloured 



London clay 



London clay 



Light-coloured 

 sands. 



Sands , 



Mottled clays . 



Mottled clays . , 



Mottled clays . 



Sand 



Sand 



Sand 



Chalk. 



Conglomerate of Flints 



flints, green & 



ochreous sand. 

 Chalk 



Flints, &c. 



Chalk 



Chalk 



Shell-beds. . 



Clay beds (with 

 lignite and 

 selenite j. 



Yellow an dash 

 coloured sand 



Greensand and 

 flints. 



Chalk , 



London clay.. . 

 Rolled pebbles 

 Yellow sands 

 (with lignite). 



Mottled clays. . 



Sand •^ 



Flints I 



Chalk 



London clay. 



Mottled clay, 



Yellow sand 

 and flints. 



Chalk. 



The bed No. 1 is from four to ten inelies thick, resting on the 

 uneven surface of the chalk. It consists of greenish sand, and par- 

 tially rolled flints coated with a dark green substance. Among these 

 are frequently casts of Echinites. This perhaps corresponds, as Dr. 

 Buckland has suggested, with the bed containing fishes' teeth at 

 Reading*. Here however it appears to be void of contemporary 

 organic remains. 



No. 2 is a mass of whitish or ash-coloured sand, varying from 30 

 to 58 feet in thickness. Its stratification is seldom distinct until 



* Trans. Geol. Soc. vol. iv. p. 278. 



