xii. SECTION AT WYTHAM. 297 



Total depth, 

 ft. in. ft. in. 



24. Dark chinch . . . . . . . . n 6 '273 o 



25. Strong blue rock . . , ,i ./... . 10 6 283 6 



26. Dark parting clunch . ... . , . . I o 284 6 



27. Strong blue rock 56 290 o 



28. Strong parting clunch 06 290 6 



29. Blue rock I 6 292 o 



30. Clunch and clunch bines 60 298 o 



31. Grey rock 18 o 316 o 



32. Dark parting clunch 06 316 6 



33. Light rock . . 30 3 346 9 



34. Light parting clunch bines 9 347 6 



35. Light rock . . . .. . ' . -../ -, , *.. . 50 352 6 



36. Very dark parting ^ , ^ - * 2 354 6 



37. Grey rock . . . . '. . ".".' .14 355 10 



38. Dark parting . .08 356 6 



39. Clunch bines 7 6 364 o 



40. Grey rock 30 367 o 



41. Dark parting i 6 368 6 



42. Grey rock 26 371 o 



43. Blue bines 20 373 o 



44. Mingled ground 3 o 376 o 



45. Blue rock 90 385 o 



46. Dark ground I 6 386 6 



47. Mingled ground 7 6 394 o 



48. Light rock 16 6 410 6 



49. Black bat 20 412 6 



50. Rock ' . . . . 35 6 448 o 



51. Mingled ground n 6 459 6 



52 to 55. Mingled ground . . . . . . . . 30 462 6 



56. Ironstone 4 462 10 



57, 58. Clunch mixed with ironstone 1320 59410 



59. Dark clunch . . .20 596 10 



'The boring was carried to the depth of 211 yards, the strata 

 the same as that at 596 feet/ C. WEBB. 



The operation was conducted by E. Bagnall, Mine- Agent, Basker- 

 ville House, Birmingham, and was finished before May 1829. 



Another excavation at St. Clement's, Oxford, said to be 265 feet 

 in this clay, and 135 feet in f rock' below it, yielded vertebrae of 

 ichthyosaurus ; and a third, at the Aylesbury Asylum, showed zones 

 of Gryphsea dilatata and other characteristic fossils. We have no 

 example here of the fine septaria of Dorset, nor more than the usual 

 abundance of pyrites and selenite, both of which occur in connection 

 with bones and shells. The fossils, if not very numerous, are 



