384 
[Assembly 
Metah of Monroe, 342 
" of Niagara, 367 
Millstone grit of Prof. Eaton, 267 
" " of Oswego 284 
Mineral springs of St. Lawrence county, 10 
Mineral waters of Wayne, 317 
Montezuma brine springs, 37 
Mount Marcy, 241 
Niagara gas springs, 55 
Niagara falls and river, 371 
New- York gas springs, 47 
Nitrogen springs, 47 
Oak Orchard creek, 351 
Oneida gas spring, 42 
O'Neil mine, 8 
Origin of brine springs, 14 — 24 
Organic remains, characteristic of,. 110 — 115 
Ores of Montgomery county, 263 
Orthis, 109 
Peat, 150 
Petrifying springs, 69 
Phenomena of dykes, 225 
Plaster of Monroe, 340 
Plumbago, 176 
Present state of the salt manufacture, .... 29 
Primitive limestone of St. Lawrence, .... 196 
Producta, 108 
Protean group, 284 
Pyritiferous rock of Oswego county, .... 285 
" " Herkimer county, .. 272 
Quicklime, 323 
" of Monroe, 343 
" ot Niagara 363 
" of Orleans, 355 
Red shale 270, 284 
" marl and sandstone, 294 
Rensselaer nitrogen springs, 48 
Report of L. C. Beck, 7 
T. A. Conrad, 107 
" E. Emmons, 185 
" J. Hall 287 
" W. C. Mather, 121 
L. Vanuxem, 253 
Rich iron mine, 8 
Ridge road, 310 
Riga mineral springs, 335 
Ripple marks at Medina, 357 
Salinawell, 25 
Salt marshes, 123 
Salt springs of Wayne, 317 
" Monroe, 336 
" Orleans, 352 
" Niagara, 366 
Sandstone of Essex county, 230 
«' Potsdam, 214 
Sands, clays of Long-Island, 136 
*' gravels of Wayne 319 
" of Monroe, 333 
" of Niagara, 365 
Saratoga springs, 49 
Serpentine of Staten Island, 139 
" St. Lawrence, 205 
Shore of Lake Ontario, 314 
Slate of Dutchess and Columbia, . . 160—165 
Soapstone, 206 
Soil of Wayne county, 316 
*' Monroe, 331 
" Orleans, 351 
" Niagara, 363 
Specular oxide of iron, ... 206 
Springs of Columbia and Dutchess co's, . . 172 
" &c. Orleans, 352 
" and wells of Long-Island, 137 
Sulphur springs of the Hudson, 55 
" " CliMton county, 56 
" " Wayne county,.. ..... 317 
" " St. Lawrence county,. 56 
" " Sharon, 57 
" " Western New-York,.. 56 
" " Saquoit, 58 
" " Chittenango, 58 
" Erie county, 67 
" " Chautauque county,.. 67 
" ** Southwestern counties, 68 
" " Onondaga, 60 
" Niagara, 69 
'* " Monroe county, 353 
*' " Cayuga, 62 
" " Avon, 65 
" " Genesee, 63 
" " Ontario, 65 
Sulphuretted springs of Ogden, 334 — 5 
Summary of rocks of Oswego co 282 
Surface of the county of Orleans, 347 
" " Niagara, ....... 359 
Syracuse well 26 
Table showing the composition of various 
specimens of salt, 36 
Table showing the composition of springs 
of Onondaga and Cayuga, 40 
Temperature of wells, «&c 218 
Tonawanda marshes, 351 
Tertiary of Champlain, .... 232 
" clays, &c 158 
Transition rocks of Essex county, 226 
Trenton limestone, , 283 
Tufa, marl, &c. of Monroe, 337 
" Niagara, 367 
Uplifts 255 
Upper limestone of Herkimer, 272 
" " Oswego, 285 
Valleys of Wayne, 315 
Verd antique, 205, 240 
Variation of the magnetic needle, 245 
Variegated marble of l,ockport, 370 
Visit to the mountains of Essex, 240 
Wad, 1.56 
Water lime, 285 
Water lime series, 270 
Water and springs of Monroe co 334 
Niagara, 365 
Wilkes or clove mine, 7 
White sandstone, 285 
