LIST OF WORKS ON GEOLOGY, &C. 83 



248. Anon. Mining Notices. Ihid, ISTo. xxiv, p. 180. 



249. Burr, F. On the Occurrence of the Precious Metals in 

 Great Britain. Ihid, No. xix, p. 17. 



250. De la Beche [Sir] H. T. Eeport on the Geology of 

 Cornwall, Devon, and West Somerset. (Geological Survey), 8vo., 

 Lond. 



251. Moyle, S. On the Ventilation of Mines. Ann. Bep. 

 Roy. Inst. Cormvall, No. 21, p. 57. 



252. Sedgwick, Rev. Prof. A., and [Sir] E. I. Murchison. 

 Classification of the Older Stratified Rocks of Devonshire and 

 Cornwall. Phil. Mag., Ser. 3, vol. xiv, pp. 241, 317. 



253. Tweedy, W'. M. Notice of bog Iron Ore found at 

 Perran. Ann. Rep. Roy. Inst. Cornioall, No. 21, p. 44. 



254. Williams, Rev. D. On the Geological Position of the 

 Culm- and Plant-bearing Beds of Devon and Cornwall. Fhil. Mag., 

 Ser. 3, vol. xv, p. 293. 



255. On as much of the Transition or Grauwacke 



System as is exposed in the counties of Somerset Devon and 

 Cornwall. Proc. Geol. Soc, vol. iii, p. 115. 



256. Winn, Dr. J. M. Notice of Fossil Bones found in Pen- 

 tewan Valley. Ann. Rep. Roy. Inst. Cornwall, No. 21, p. 45. 



1840. 



257. Fox, R. W. Letter relative to the Origin of Mineral 

 Veins. Trans. Geol Soc, Ser. 2, vol. v, p. 497. 



258. Moyle, M. P. On the Atmosphere of Cornish Mines. 

 7th Ann, Rep. Roy. Cornwall Polytech. Soc, p. 74. 



259. An Account of some specimens of auriferous 



Pyrites. Ann. Rep. Roy. Inst. Cornwall, No. 22, p. 76, 



260. Pattison, S. R. Notice of Fossils found at South 

 Petherwin. Ihid, p. 20. 



261. Plattner, M. Analysis of Octahedral Copper Pjrrites. 

 (From Poggendorfs Annalen, vol. xlvii, p. 351); Phil. Mag., Ser. 

 3, vol, xvii, p. 202. 



262. Sedgwick, Rev. Prof. A, and [Sir] R. I. Murchison. 

 Description of a Raised Beach in Barnstaple or Bideford Bay, on 

 the North-west Coast of Devonshire. Trans. Geol. Soc, Ser. 2, vol. 

 v, p. 279. (Cornwall, p. 283). 



263, On the Physical Structure of Devon- 



