SUPPLEMENTARY INDEX TO VOL. I. 
Slue Lias Limestone, water-setting, with blue Clay intervening, Bones, 
Fish, &c. (No. 15, dunblue). 
Helicina compressa, tab. 10, m. Leicestershire 
Melania striata, tab. 47 , u. Lymington 
Modiola lsevis, tab. 8, le. lo. Barry Isle and near Caerphilly Castle 
Plagiostoma gigantea, tab. 77. Near Bath, Cardiff* Castle, Pick- 
[eridge-Hill 
Terebratula crumena? tab. 83, f. 2 and 3 Pickeridge-Mill 
punctata, tab. 15, f. 4. Hornton Quarry 
subrotunda? tab. 15, f. l and 2. Ditto 
White Lias Limestone and Marl, (No. 16, dun blue). 
Plagiostoma gigantea ? 4ab. 77. Near Bath 
Sand, or soft Sandstone, of Balderton. 
Red Marl, upper or marly red, with greenish blue streaks, blue Marl- 
stone, white Sand, soft red Sandstone, or Sand, Gypsum, Salt,.&c. 
(No. 18, rose colour). Without organic remains ? 
Upper Yellow or Magnesian Limestone, light straw-coloured Freestone, 
deep yellow in some places ( deep blue). 
Middle red Marl, with Gypsum, sulphate of Strontian, tufaceous or con~ 
glomerate Limestone, coarse or Millstone grit, &c. (No. 19). 
Lower yellow, or buff, Magnesian Limestone, with blue (mild) Limestone 
beds near its bottom {deep blue). 
Sand, or soft Sandstone, brown or salmon-coloured. 
The strata below this, are found in many parts of the middle and 
west of England, to lie unconformably , having their edges covered by the 
strata last mentioned. See the Phil. Mag. Vol. XLV. p. 167. Of these 
more ancient strata only such will be mentioned as contain Shells described 
in this Volume. 
12th Coal-shale ? of the Derbyshire Series. See Report, Yol. I. p. 16L 
(No. 20 to 23, Indian ink). 
Unio subconetrictus, tab. 33, f. 1,2, and 3. Derbyshire, Wollaton 
9th Coal-shale, with muscle-band or dog-tooth Ironstone. 
Lingula mytilloides, tab. 19, f. 1 and 2» Walsingham 
Mytilus crassus, p. 84, Brit. Min. tab. 386. Wigan 
Unio acutus, tab. 33, f. 5, 6, and 7. SL of Bradford Lo. and in Der- 
[byshire 
uniformis, tab. 33, f. 4. W. of Bath, Stavely, Tupton 
3rd Coal-shale, with Crowstone and Fire-clay, Limestone and Pyritic 
Balls, &c. 
Ammonites Lister! (p. 132, Brit. Min. tab. 455). Alton, N. of Halifax, 
(Cathrine-slack ?) 
Orthocera Steinhaueri, tab. 60, f. 4. N. of Halifax, (Cathriiie-slack) 
1st Coal-shale, containing beds of Gritstone and of Limestone in some places 
Terebratuia crumena? tab, 82, f. 2 and 3. Tees River, upper part 
Limestone-shale, or great Shale, imbedding micaceous Gritstone, and blue 
and black Limestone, or Marble, in some places. 
Euomphalus catillus ? tab. 45, f. 3 and 4. N. of Buxton 
Orthocera Breynii, tab. §0, f. 5. Ashford 
