203 CLAYS OF ALABAMA. 



Page. 



Brainard, A. P., quoted 123 



Brick clays 72, 73, 76, 88, 92, 97, 181, 190, 191, 192, 193 



'• loams 112 



" manufacture , 90, 109, 150 



" shales ." 184, 185 



Bricks iuU. S. in 1897, valuation of 1 



" vitrified 80 



Brown, Wm., Lamar Co., clay of 101 



Brush and Bluff creeks, Lauderdale Co,, clay between Ill 



Buff ware 18 



Buhrstone flint clays 112, 158 



Building brick clays 72, 73 



" " loam 112 



Burned clays (grog) 27, 132 



Burleson, Franklin Co., clays near 108 



Calcareous clays 17, 183 



Calcite 16,42 



Calcium oxide determination 47 



Caldwell, Dr., quoted 72 



Calhoun County clays 75, 80, 134, 135, 188 



" " kaolin 74 



Cambrian clays 73, 133 



Carbonate of lime in clays 16, 17 



Caraonate of iron in clays 44 



Carboniferous plastic fire clays 131 



Centerville, clays near 90, 91 



Chalk 78, 85, 201 



Chalk Bluff, Elmore County 88, 89, 162, 184, 190 



" " Marion Co 6,25,26,52,106,117,127 



Charleston limonite bank, "clay horse'' in ' * 75 



Chaney's pottery, Franklin Co 108 



Chemical and physical properties of clays 114 



Chemical clay 58, 69 



" effects of heating clays 38 



'' properties of clays 9 



Chemically combined water of clays 22, 24 



Cherokee County bauxites 142 



" " clays 76, 118, 136, 161 



Chert for glazing 79 



Chilton County clays 72 



'• " mica schists 70 



China ware clays 79, 110,. 115, 116, 118 



" '' kaolinite 71 



Choctaw County clays 26, 112, 131, 134, 158 



Claiborne formation flint clays 112 



Clarke County flint clays 112, 131, 158 



Classification of clays 57 



Clay J 3 



Clay, chemical 58, 69 



