[177] In Chapter XIV. I have given the reasons why the Mý-vatn mines were not recommended by the Danish engineers.—R. F. B.
[178] Jukes and Geikie, Manual of Geology, 3d edition, p. 55.
[179] Liebig’s Familiar Letters on Chemistry, p. 152.
[180] Ure’s Dict., vol. ii., p. 432.
[181] Simmond’s Dictionary of Trade Products, p. 367; Muspratt’s Chemistry, vol. i., p. 320.
[182] Liebig’s Letters, p. 149.
[183] Simmond’s Dictionary of Trade Products, p. 351.
[184] See Exports for 1872.
[185] Liebig’s Familiar Letters on Chemistry, p. 150.
[186] See Smee’s My Garden.