Vol. 6^.~] INFERIOR OOLITE OF THE BATH-DOULTING DISTRICT. 383 



26. The Inferior Oolite and Contiguous Deposits of the Bath- 

 Doulting District. By Linsdall Richakdson, F.G.S. (Read 

 June 19th, 1907.) 



[Plates XXVIII & XXIX- Fossils.] 



Contents. 



Page 



I. Introduction 383 



II. Subdivisions recognizable in the Inferior Oolite of the Bath- 



Doulting District 386 



III. Local Details 389 



(1) The Doulting Area. 



(2) The Frome Area. 



(3) The Badstock-Bath Area. 



(4) The Stantonbury-Hill Outlier. 



IV. Correlation of the Strata of the Bath-Doulting District with 



those of Dundry Hill, near Bristol 420 



V. Conclusion 422 



Appendices. 



I. On the Correlation of the Bath-Doulting Strata with those 



of Dorset, by S. S. Buckman, F.G.S 424 



II. Remarks on the Brachiopoda from the Fullers' Earth, by 

 Linsdall Eichardson, F.G.S., and the late John Francis 



Walker, M.A., F.L.S., F.G.S., F.C.S 426 



III. On New Species of Amberleya and of Spirorbis, by Linsdall 



Richardson, F.G.S 434 



I. Introduction. 



This paper contains a detailed account of the Inferior Oolite and 

 contiguous deposits of the district between Bath and Doulting. 

 The information hitherto obtained has been very well summar- 

 ized by Mr. H. B. Woodward, and additional observations are also 

 included in his memoir. 1 



Contributions to our knowledge of the beds have been made by 

 Conybeare & Phillips, 2 Sir Henry de la Beche, 3 W. Lonsdale, 4 

 Sir William V. Guise, 5 H. B. Holl, 6 James Buckman, 7 the Rev. 

 H. H. Winwood, 8 Mr. S. S. Buckman & the late Edward Wilson, 9 

 and Mr. J. W. Tutcher, 10 while incidental references appear in 

 communications by other authors. Mr. W. H. Hudleston has 

 also given a brief description of the Inferior Oolite of this district 

 in his ' Monograph of the British Jurassic Gasteropoda.' " 



1 ' The Jurassic Rocks of Britain — The Lower Oolitic Rocks of England 

 (Yorkshire excepted)' Mem. Geol. Surv. vol. iv (1894) pp. 87-99. 



2 < Outlines of the Geology of England & Wales ' pt. i (1822) pp. 253-55. 



3 Mem. Geol. Surv. vol. i (1846) pp. 287-92. 



4 Trans. Geol. Soc. ser. 2, vol. iii, pt. ii (1832) pp. 248-49. 



5 Proc. Cotteswold Nat. F.-C. vol. ii (1859-60) pp. 170-75. 

 u Quart. Journ. Geol. Soc. vol. xix (1863) p. 309. 



7 Ibid. vol. xxxv (1879) pp. 736-43. 



8 Proc. Bath ]S T at. Hist. & Ant. F.-C. vol. iii (1874-77) pp. 129-35. 



9 Quart. Journ. Geol. Soc. vol. Iii (1896) p. 712. 



10 Proc. Bristol Nat. Soc. n. s. vol. x, pt. ii (1903) pp. 150-68. 



11 ' Gasteropoda of the Inferior Oolite ' Monogr. Paleeont. Soc. pt. i (1887 ) 

 pp. 54-56. 



Q.J.G.S. No. 252. 2f 



