LIST OF PLATES. 
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Fig. 2. — Manganese-ore (black) forming by replacement of quartz- 
felspar-rock (white) at Garbham. December 1904. 
PLATE 55. — Geological sketch map and section of the rocks near Taduri'. 
Scale 1 inch=about | mile. 
PLATE 56. — Map of a portion of the Vizagapatam district, Madras Presidency, 
showing the manganese-ore localities. Scale 1 inch=4 miles. 
PLATE 57. — Manganese-ore deposit at Kumsi, Shimoga district, Mysore. Sep- 
tember 1907. 
