Geological Society. 137 



lonnois. The following table exhibits the series of beds within the 

 tracts just mentioned. 



Names, chiefly 

 derived from lo- 

 cality in England. 



Places of Occurrence. 



In England. 



In the Lower Boulonnois. 



Chalk . , 



Cliffs from Dover to Folk-'Coastfrom Sangatte to Blanc- 

 stone-hill — Beachy-headto nez, -and thence on the 



Brighton-I. of Wight— 

 I. of Purbeck.Dortsetshire, 

 &c. 



Merstham Stone 

 (Greensand — 

 Fire-stone . 

 Upper-green- 

 sand. — Tufau 

 of the French.) 



Gaidt 



(Folkstone- 

 niarl. — Dieve 

 of the French.) 



Shanklin Sands 

 (lower Green- 

 sand. — Tour- 

 tia of the 

 French.) 



WeddClay 



boundary of the Lower 

 Boulonnois, to Mont St. 

 Frieux, &c. W. of Neuf- 

 chatel. 

 andlCoast between Blanc-nez and 



Hastings Sands... 



Purbeck Stone . 



Portland Stone. 



Kimmeridgc, and 

 Weymouth beds 



PisolileandCoral- 

 rcfi 



Merstham, Reygate, and,Coast betwe 

 Godstone Firestone-pits Wissant. 

 — Western Sussex (Malm 

 Rock) -I.of Wight-Swa- 

 nage Bay, I. of Purbeck, &c. 



Copt-Point, N. of Folkstone. 

 — Vaileybeneath the chalk 

 in Kent, Surrey, and Sus- 

 sex. 



Coast Folkstone to Hythe.— 

 vicinity of Maidstone,Kent. 

 — Western Sussex. — 

 Shanklin and Black-gang 

 chines, I. of Wight 



Wealds of Kent and Sussex. 1 

 — Cowieaze-chine, I. of 

 Wight. — N. of Swan. . 

 age Bay, I. of Purbeck. ^ 



Hastings, Sussex. — S. coast 

 of the I. of Wight— Swan- 

 age Bay. 



I. of Purbeck — Summit oflQu. traces in the upper part 



Coast on the N. of Wissant. 

 — vicinity of Hardinghen, 

 — Lottinghen, — vicinity of 

 Samer. 



Coast N. of Wissant — vici- 

 nity of Wissant. — Wooded 

 hills parallel to the chalk, 

 from Desvres to Samer, 

 &c. &c. 



Oxford Clay. 



the I. of Portland. 



Shotover Hill, and Garsing. 

 ton, Oxfordshire — Brill- 

 hill, Bucks. 



Coast near Weymouth, — 

 Hedington quarries, Ox- 

 fordshire. 



Coast near W^eymouth. 



Coast near Weymouth. — 

 vicinity of Oxford. 



Bath-oolite 



— (unc- 

 Coal-formatio n 



Mountain-Lime- 

 stone 



Vicinity of Bath, 

 onformable) — 



Derbyshire. — Devon. — Vici- 

 nity of Bristol.— Dublin 



Not ascertained 

 Boulonnois. 



the 



New Scries. Vol. 1. No. 2. Feb. 1827. 



of the cliffs from Gris-nez 

 to Equihen. 



Upper part of the cliffs from 

 Gris-nez to Equihen. — 

 Mont Lambert quarries. 



Coast from Gris-nez to Equi- 

 hen. — Mont Lambert 

 quarries, — Vicinity of Des- 

 vres — of Samer, &c. &c. 



Basinghen, Hautenbert, A- 

 Unctun, — Hesdin L'Abbe, 

 &c. ; Vicinity of Samer. 



Vicinity of Wast— Houlfort. 

 — Between Basinghen and 

 Marquise. 



Vicinity of Marquise— Quar- 

 ries at Leut)ringhcn — Ar- 

 dentun— Rety, Ac. 



Vicinity of Hardinghen, — 

 l.,ochinghcn, — Cedur, &c. 



Leulinghen, — Quarries at 

 Ferques, Haut-banc, &c. 



T I. On 



