388 
Houeybourne, 154, 310. 
Honey-combed Weathering, 102, 110. 
Hook Norton, 223, 268, 303, 304. 
Hops, 312. 
Horfield, 137. 
Hornblotton, 84. 
HORNER, L., 91. 
Horniughold, 232. 
Hornstone, 124. 
Horntou, 222, 226. 
Lane, 227. 
Stoue, 33, 222, 223, 295. 
Horrington, East and West, 89. 
HORTON, W. S., 158. 
Horton, Northauts, 278. 
, Somerset, 76, 321. 
Hoton, 171. 
Houghton-on-the-Hill, 170. 
HOWELL, H. H., 160, 166, 171, 180,217, 
231, 268, 279, 304. 
HOWSE, 11., 30G. 
Huckerby, 300. 
Hucklecote, 143. 
HLDLESTOX, W. H., 2G9, 328. 
HULL, PROF. E., 7, 140, 143, 144, 155, 
158, 159, 217-221, 223, 228, 265, 266, 
268, 303, 306. 
Humber Shores, 177, 178, 243. 
HLMBOLDT, A. VON, 1. 
HUNTER, R., 55, 64, 196. 
HUNTON, L., 25. 
Hurcot, 203, 204, 258. 
Husbands Bosworth, 167. 
HUXLEY, KT. HON. T. H., 71, 81. 
Hybodus, 4 1 . 
Hydraulic Cement, 288. 
Lime, 121, 288. 
I. 
Ichthyosaurus, 14. 
, Discovery of, 70. 
, Viviparous nature of the, 24. 
communis, 37-39. 
latifrons, 38. 
platyodon, 39. 
Idbury, 321. 
Ightfield, 180. 
Ikiy, H., 181, 182,243. 
Ilchester, 83, 206. 321. 
, Vale of, 76, 309, 310, 312. 
Ilmington, 154. 
. Spa, 321. 
Ilminster, 75, 76, 202, 203, 254,255, 257, 
260, 296-298, 303, 309, 311. 
Ingham, 242. 
Inoceramus dubim, 251. 
Ingatestone, 139. 
Ingersby Tunnel, 170. 
Inglestone, 139. 
Ingotton, 259. 
Ink-bags of Cephalopods, 71, 256, 267. 
Insects of the Lias, 25, 29, 328, 366. 
Insect Limestone, 18, 28, 29 ; Applica- 
tion of term, 144-146. 
Insect Limestones of Lower Lias, 36, 42, 
78, 79, 137, 150, 152, 153, 168, 175. 
of Upper Lias, 234, 235. 246- 
248, 250, 266, 267, 271, 275, 281, 282, 
284,286. 
Involutina, 139. 
Iridescent Fossils, 16, 96, 144. 
Iron, Specular, 171, 232, 237, 307. 
Iron-ores, General account of, 300 ; Pro- 
duction of, 302, 304, 306. 
, Blenheim, 220. 
, Frodingham, 177-179. 
Ironstone, 172, 213, 222, 223, 225, 228, 
232, 236, 237, 239, 240. 
Bands, 175, 176, 242. 
Nodules, 36, 144, 148, 149, 155, 
167, 170, 171, 176, 196, 212, 231-234, 
239, 268, 282, 283, 302, 303. 
Iron-pyrites, 61, 64, 65, 85, 122, 159, 162, 
167, 171, 196, 237, 240, 252, 265, 282, 
283, 285, 298, 308, 321, 324. 
, Decomposition of, 17, 308. 
Iron-shot Beds, 32, 127, 177, 185, 211. 
Iron-works, 307. 
Irthlingborough, 278. 
IRVINE, R., 31. 
Isborne, River, 148. 
Isham, 280. 
Isle Abbots, 75. 
Ivy Thorn, 263. 
J. 
Jacks, 232, 303. 
Jamesoni-beds, 67. j 
Jet, 66, 155, 170, 189, 271, 272, 282, 
300. 
Jew Stone, 77, 296. (See also Dew 
Stone). 
Joints, 98, 319. (See also under Rhoni- 
boidal). 
JONES, H. T., 290. 
JONES, J., 43, 139, 142, 155. 
JONES, PROF. T. R., 139. 
JUDD, PROF. J. W., 11, 19, 33,146, 167- 
174, 188, 231, 237, 245, 246, 252, 255, 
267, 871, 279, 280, 281-284, 293, 300, 
307, 310, 320, 321. 
JUKES, J. B., 171, 180. 
JUKES-BROWNE, A. J., 171, 172, 174, 
238-240, 285, 306. 
Junction of Lower Lias and Rhsotic 
Beds, 137. 
of Lower and Middle Lias. (See 
under LOWER LIAS.) 
of Middle and Upper Lias. (See 
under MIDDLE LIAS.) 
of Upper Lias and Midford Sands, 
22, 246. 
of Upper Lias and Northampton 
Sands, 246, 279, 280, 286. 
Jurassic Fauna and Flora, 13. 
Rocks, Area occupied by, 1. 
, Formation of the, 7, 10. 
, Geographical extent of, 18. 
