Studies in the Calcitc Group. 



243 



J. Sc, 37, 343, 1914. (3) Hutchinson, Rep. Brit. Assoc, 701, 1908. (4) 

 Fizeau and Damour, quoted by Born, N. Jb. Min. Beil.-Bd., 5, 12, 1887. 

 (5) Eisenhuth, Zs. Kr., 35, 584 et seq., 1901. (6) Unpublished analysis 

 by author. (7) Born, N. Jb. Min., Beil.-Bd., 5, 4, 1887. (8) Unpublished 

 analysis by W. M. Bradley. (9) Hutchinson, Min. Mag., 13, 209, 1903. 

 (10) Ortlofif, Zs. Phys. Chem., 19, 215, 1896. 

 t Determinations made by the author. 



