No. 275. J 351 
Page. 
Salt marshes, 74, 118 
Sandstone for glass, » 232 
Serpentine rock, 99 
Silver, lead, &c 102 
Strong-Point cold springs, 83 
Terrains de Transport, 76 
The limestone of Bedford, 91 
Trap rock, 122 
Tully limestone, 278, 300 
Tufa and lake marl, 279 
Tufaceous iron, 281 
Upper black shale, 301 
Vanuxem^s Report, 242 
Water lime, 272 
White limestone, 139 
