218 CLA YS OF ALABAMA. 



Page. 



Sintering in clays 30 



Silurian clays 73, 133 



Sizemore, Ira, Lamar Co., clay of 101 



Slaking 38 



Slate , 8 



Sliding cut, Tuscaloosa Co 94 



Sliding of clays 90, 94, 96 



Slip glazes 17 



Smith, Dr. E. A , geological relations of the clays of Alabama by.... 69 



" " " " quoted 13,114,158,189 



Snow place, Tuscaloosa Co., clays on 95 



Soap Hill, Bibb Co., section of .' 91 



Society Hill, Rassell Co.. clays near 88 



Soda in clays 11 



"Soft Mud" process of molding bricks 182 



Soluble alkaline compounds in clays 11 



Southern states, ferruginous clays of. 5 



Splitting of bricks 17 



Steele Bluff, Warrior River, clays at 96 



Steven's, Calhoun Co., clay 133, 184 



Steven's Switch, Jefferson Co., clay 80 



Stewart's Cut, Marion Co., clay 104 



"Stiff Mud r processs of molding bricks 182 



Stone Hill, Cleburne Co., clays near 72 



Stoneware, Clays 79, 97, 159, 162, 165, 169, 170, 171/173, 178 



" chert for 79 



' * manufacture 71 



Sub-carboniferous clays 77, 117, 133 



Sulligent. Lamar Co., clay near 100 



" " pottery at ; 92,100 



Sulphur determination 49 



Sulphuric acid, free, in clays 12 



Summit, Blount Co., clay and pottery near 80 



Swelling of clays 15, 17 



Talladega County clays 75, 121 



Tampa, Calhoun Co., clays near .*... 75 



" " " kaolin 74 



Taoks, settling, in washing of clays 66 



Tan Yard Spring clay, Lauderdale Co Ill 



Taste of clays 12 



Ten-mile cut clay, Tuscaloosa Co 97 



Tennessee Valley, clay in 80 



Tensile strength of clays 26 



Terra cotta in U. S. in 1897, valuation of 1 



Tertiary formation, clays of 6, 8, 112, 131, 134, 158 



Thermo-electric pyrometer 31, 37 



Thomas' Mills, Marion Co., clay near 99 



Tile clay 122 



Tile, other than drain, in U. S. in 1897, valuation of. 1 



Tishomingo County, Miss., clays 83 



