190 SUPPLEMENTARY INDEX TO VOL. Ilf. 
Tab. 
Seraphs convolutus 286, Barton and Grignon. 
Terebellum fusiforme a 287, Hordwell and near Paris. 
Trochus extensus 278, f. 2 and 3. Highgate and Sheppy Isle. 
Venericardia carinata 259, f. 2. Stubbington. 
deltoidea 259, f. 1 . Lyndhurst. 
globosa a 6c {3... 289, up. mid. Barton and Hordwell. 
oblonga 289, la. Barton and France. 
Yoluta costata 290, f.l,2,&4. Barton. 
Magorum 290, f. 3. Barton. 
CRAG MARL, or soft irregular Limestone, superficially mixed with 
Alluvia ( light brown , No. 3.) 
Astarte planata 
Cardium angustatum 
edulinum 
Mytilus aliformis 
antiquorum 
Terebratula inconstans ft 
Trochus concavus 
Venericardia senilis 
Venus turgida 
257, Gunton and Roydon. 
283, f. 2. Alderton and Bramerton, 
283, f. 3. Bramerton, Ipswich, and 
W oodbridgc. 
275, f. 4. Holywells. 
275, f. 1 to 3. Ipswich and Woodbridge. 
277, f. 3. Gunton. 
272, f. 1. Suffolk. 
258, Courtagnon, Harwich, and 
and Suffolk. 
256, Rainshalt, Roydon, and 
Woodbridge. 
LONDON Deep-Well, 'Woolwich, or Newbury Strata ; Loams, Sands, 
and Noditles* mostly of Chert. ( light brown , No. 3 & 4.J 
Ammonites biarmalus p. 122. Havre de Grace. 
Cardita margaritacea a 297, f. 1 and 3. Pegwell-bay,andRichmor.d~ 
park Weil-bottom. 
Ostrea pulchra 279, Bromley and Plaistow. 
tener 252, f. 2 and 3. Charlton. 
smdulata 238, f. 2. Farley. 
~? p. 141. Chariton. 
CHALK, upper, soft, flinty, of Chiltern Hills, South and North Downs, &c. 
(mostly light green , No. 5.) 
Terebratula obiiqua 277, f. 2. Ramsgate. 
CHALK, lower, hard, grey, flintless; Hurloch, white Cawkstone, Fire- 
stbne ; Dunstable NW. N. and NE (deep green , No. 5.) 
CHALK MARL, Malm or Blue Marl, Holmesdale Strata: earthy or co- 
loured Chalk, red Cawkstone, Clunch, Firestone, &c. ( white , No, a.) 
Hamites armatus (see tab. 168) 234, f. 2. Isle of Wight S pt. : see 
II, 153. 
nodosus 216, f. 3. Folkstone, NE. 
plicatiiis 234, f, 1 . Bishopstrovr. 
spiniger 216, f. 2. Folkstone, NE. 
tuberculatus 216, f. lands, Folkstone, NE, 
turgidus 216, f. 6. Folkstone, NE. 
Inoceramus concentricus 305, Cambridge, Folkstone, NE. 
Lewes, N. and Mailing. 
sulcatus a ......... 306, f, 1 to 5, $ Cambridge, Folkstone, NE. 
and 7. f Lewes, N. and Mailing. 
Trochus Gibbsi 278, f. 1. Folkstone, NE. 
Venericardia? 259, f. 3. Ringmer. 
* There are those who pretend that these are rolled or rounded FLINTS, notwithstand- 
ing, in some instances, these nodules may be cut with a knife, like semi-indurated Clay, 
and some appear also like indurated Chalk, internally ; in shape and surface, likewise, 
tbv , y np way resemble rolled pebble*. 
