98 LIST OF WORKS ON GEOLOGY, &C. 



456. Pengelly, W. On the Chronological and Geographical 

 Distribution of the Devonian Fossils of Devon and Cornwall. 

 Trans. Roy. Geol. Soc. Cornwall, vol. vii, p. 388, and Eejx Brit. 

 Assoc, for 1860, Trans, of Sections, p. 91. (See No. 469). 



457. On the Devonian Age of the World. Geologist, 



vol. iv, pp. 332, 557. 



458. Percy, Dr. J. Metallurgy [vol. i,] Fuel, Fire-clays, 

 Copper, Zinc, &c. (Analysis of Cornish Clays, p. 215, and 

 account of Copper-ores, by W. W. Smyth, pp. 313, 314). 8m 

 Land. 



459. Salmon, H. C. On the Occurrence of Large Granite 

 Boulders, at a Great Depth, in West Kosewarne Mine, Gwinear, 

 Cornwall. Quart. Journ. Geol. Soc, vol. xvii, p. 517. 



460. Whitley, N. On the Developement of the Agricultural 

 Eesources of Cornwall. Journ. Bath and W. Eng. Soc, Ser. 2, 

 vol. ix, p. 193. 



461. Williams, Capt. R H. The Mineral District of St. 

 Austell. Miners' Assoc of Cornwall and Devon ( 1 printed in Boy. 

 Cornwall Gazette, or JVest Briton). 



1862. 



462. Blake, C. C. On the Crania of the most ancient Races 

 of Men. Geologist, vol. v, p. 205. (Cornwall, p. 210). 



463. Edmonds, E. The Land's End District, its Antiquities, 

 Natural History, Natural Phenomena, and Scenery. 8vo. Lond. 

 and Penzance. 



464. Field, F. On the General Distribution of Bismuth in 

 Copper Minerals. ' Quart. Journ. Cliem. Soc, vol. xiv, p. 304. 



465. Higgs, S. Notice of a singular specimen much resem- 

 bling a Chalk Flint, found in the Balleswidden Mine, St. Just. 

 Trans. Roy. Geol. Soc 'Cornwall, vol. vii, p. 449. 



466. Moissenet, M. L. Etudes sur les Filons du Cornouailles 

 et du Devonshire. Ann. des Mines, 6 Ser., t. iii, p. 161, (and 

 Comptes Eendus). 



467. Pearce, R. Interesting Minerals. Aith Ann. Rep. Roy. 

 Inst. Cornwall, Part 1, p. 19. 



468. Pengelly, W. On the Relative Age of the Petherwin 

 and Barnstaple Beds. Rep. Brit. Assoc for 1861, Trans, of Sections, 

 p. 124. 



