SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 58 



ENGLAND (Continued) 



388. Fox, ROBERT WERE. On mineral veins. 



4th Ann. Rep. Roy. Cornwall Polyt. Soc., 1836-1838, Falmouth, pp. 81-141, figs. 1-21, 

 colored. 



General description of tin and copper veins in Cornwall. Says that where tin 

 and copper occur in the same vein, they are inclined to occur on opposite sides 

 of the vein. Lodes said to be more productive when nearly vertical. 



389. FRECHEVILLE, R. J. Notes on great main lode of Dolcoath, Cook's 



Kitchen, Tincroft, and Cam Brea mines. 



Trans. Roy. Geol. Soc. Cornwall, Vol. 10, 1887, Penzance, pp. 146-156, colored 

 plates 2, showing 1 cross section of mines. 



General description of tin-bearing veins in these mines, with figures of production 

 and remarks as to the probable continuance of the vein. 



390. . The results obtained by the Cornish system of tin-ore dressing. 



Trans. Mg. Ass. Inst. Cornwall, Vol. 1, 1887, Camborne, pp. 96-104. 

 Reprinted in Eng. Mg. Journ., Vol. 40, 1885, New York, pp. 416-417. 

 An examination into the actual loss of black tin experienced in dressing. 



391. FUCHS, E., et LAUNAY, L. DE. Traite des gites mineraux et metalliferes. 



Vol. 2, 1893, Paris, pp. 112-127. Maps, figs, and bibliography. 

 Tin deposits of Cornwall treated. 



392. GARBY, JOHN. A catalog of minerals found in Cornwall with their 



localities. 



Trans. Roy. Geol. Soc. Cornwall, Vol. 7, 1865, Penzance, p. 85. 

 Cassiterite, wood-tin, siliceous oxide and tin-pyrites given, the latter two unim- 

 portant. 



GBEG, R. P. and LETTSOM, W. G. See No. 1614. 



393. GREGOR, WM. Observations on a. remarkable change which metallic tin 



undergoes under peculiar circumstances, and on its partial conversion 

 into a muriate of tin. 



Trans. Roy. Geol. Soc. Cornwall, Vol. 1, 1818, Penzance, pp. 51-59. 



" Some observations on a remarkable change which metallic tin undergoes that 

 has long lain under the surface of the earth and on its partial conversion into a 

 muriate." 



394. HANCOCK, RICHARD. On the mineral deposits of Old Wheal Vor mine, 



Breage. 



38th Ann. Rep. Roy. Cornwall Polyt. Soc., 1870, Falmouth, pp. 101-102. 

 This mine is situated in a basin of killas, between two granite hills and has 

 produced more than 3,000,000 worth of tin and copper. 



395. HAWKINS, C. Observations on gold found in the tin stream works of 



Cornwall. 



Trans. Roy. Geol. Soc. Cornwall, Vol. 1, 1818, Penzance, pp. 235-236. 

 Notes that gold was frequently found with stream tin in a moor near the church 

 of the parish of Ladock. 



. See No. 1395. 



396. HAWKINS, JOHN. On submarine mines. 



Trans. Roy. Geol. Soc. Cornwall, Vol. 1, 1818, Penzance, pp. 127-142. 



An account of the early working of Huel Wherry tin mine, near Penzance. It was 

 about 720 feet out from shore, barely uncovered at lowest tides, 19 feet under 

 water at highest. Very rich ore. In dike 18' broad, 16' very rich. SnO 2 one of 

 the constituent parts of the porphyry, so that it was called " stannified granite." 

 70,000 pounds of ore removed. 



