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1848. 



(290) Booker, T. W. A Speech delivered at Swansea, at the Meeting 

 of the British Association .... 1848 ; with Notes containing Analyses 

 of Coals, Limestones, &c. 8vo. Loncl. and Cardiff. 



(291) Jukes, J. B., and A. H. Selwtn. Sketch of the Stmcture of the 

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 Journ. Geol. Soc. vol. iv. p. 300. 



(292) Ramsat, Prof. A. C. On the Origin of the existing Physical 

 Outline of a portion of Cardiganshire. Sep. Brit. Assoc, for 1847, Sec- 

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(293) , and W. T. Aveline. Sketch of the Structure of parts of 



North and South Wales. Quart. Journ. Geol. 80c. vol. iv. p. 294. Memo- 

 randum respecting some Fossiliferous Localities alluded to, by Prof. E. 

 Forbes (p. 297). Note on the FossUs of the lowest Wenlock Shales east 

 of Llandegle, Builth, by J. W. Salter (p. 299). 



(294) STRUVli, W. P. Observations on the Great Anticlinal Line of 

 the Mineral Basin of South Wales from Newbridge, in the Taff Valley, to 

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1849. 



(295) Bate, S. On Fossil Remains recently discovered in Bacon 

 Hole, Gower ; also other Remains from beneath the bed of the River Tawey. 

 JBep. Brit. Assoc, for 1848, Sections, p. 62. 



(296) Benson, S. On a Boulder of Cannel Coal found in a vein of 

 common bituminous Coal. Ihid. p. 64. 



(297) On the relative Position of the various Qualities of Coal 



in the South Wales Coal- Measures. Ibid. p. 65. 



(298) BuCKLAND, Rev. Prof. W. On the former existence of Glaciers 

 in North Wales. Hid. p. 78. 



(299) M'COY [Prof.] P. On the Classification of some British Fossil 

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(300) Ramsat, Prof. A. C. On some points connected with the 

 Physical Geology of the Silurian district between Builth and Pen-y-bont, 

 Hadnorshire. Bep. Brit. Assoc, for 1848, Sections, p. 73. 



(301) Read, C. S. On the Farming of South Wales. (Remarks on 

 the Soils, &c.) Journ. Boy. Agric. Soc. vol. x. p. 122. 



(302) Richardson, J. The Coal-field and the Coal of South Wales. 

 Proc. Inst. Civ. Bng. vol. viii. p. 82. 



(303) Vaux, F. Ultimate Analysis of some varieties of Coal. (Welsh 

 Anthracite, p. 324.) Quart. Journ. Chem. Soc. vol. i. p. 318. 



1850. 



(304) Davis, J. E. On the Age and Position of the Limestone of 

 Nash, near Presteign, South Wales. Quart. Journ. Oeol. Soc. vol. vi. 



p. 432. 



(305) Egerton, Sir P. DE M. G. Palichthyologic Notes. No. 3. On 

 the Ganoidei Heterocerci. Ibid. p. 1. (Anglesey, p. 5.) 



(306) M'COT, Prof. F. On some new genera and species of Silurian 

 Radiata in the Collection of the University of Cambridge. Ann. Nat. Eist. 

 ser. 2, vol. vi. pp. 270, 474. 



