INDEX 
371 
Slates and shales of New-York, 
their composition, 355 - 6. 
Soils derived from decomposition of 
rocks, 33. 
— distribution of, 209. 
— of the Onondaga-salt group, 
1G2. 
— of Chatham, 243. 
— of Hoosic, 244. 
— of Hoosic-falls, 245. 
— of East-Salem, 245. 
— of Schodack, 248. 
— of Amsterdam, 257. 
— of Littlefalls, 257. 
— of Rome, 253. 
— of the Hudson valley, 260. 
— of the Wheat district, 272. 
— of the red shale, 272. 
— of Tribes-hill, 257. 
— of Peekskill, 240. 
— of Petersburgh, 243. 
— of the green slate, 273. 
— of Vermicular limestone, 274. 
— of water limestone, 274 - 5. 
— of the Southern district, 308. 
— of Mount Toppin, 308. 
— of Lafayette square, 308. 
— of Ithaca, 309. 
— of Gainesville, 309. 
— of Stewart’s farm, 309. 
— of Greenville, 309. 
— of Fultonham, 312. 
— of Schoharie flats, 312. 
— tested for phosphates, 344. 
Sources of the phosphates, 345. 
Southern district, 5 - 9, 307. 
Sparry limestone, 72. 
— mineral contents, 74. 
— range and extent, 74. 
Springs of the Champlain division, 
130. 
— of Onondaga-salt group, 162. 
— of the Portage group, 191. 
Stockbridge limestone, 78. 
— mineral contents, 80. 
— range and extent, 80. 
Summary of the Upper New-York 
rocks, 199. 
— of the Helderberg division, 179. 
— of leading facts with respect to 
soils, 358. 
Systems how divided, 37. 
Tables of mean temperature, 14-17. 
— meteorological, of the Atlantic 
district, 321. 
— — Hudson district, 268. 
— — Southern district, 315. 
— — Wheat district, 303. 
Tables showing the composition of 
limestones, shales, marls, 354. 
Taconic district, 242. 
— soils of, 243. 
Taconic rocks at Belfast, Me. 97. 
— in Camden, 98. 
— on Fox islands, 100. 
Taconic slate, 64. 
Taconic system, 45. 
— general views of, 45. 
— preliminary remarks on, 45. 
— opinions of geologists, 46. 
Taconic system, position and rela¬ 
tions of, 54. 
— sections of, 56. 
— individual members, 61. 
— lithological characters, 61. 
— in Rhode-Island, 90. 
— in Maine, 94. 
— in Michigan, 101. 
— Dr. Houghton’s views of, 101. 
— derangements of, 102. 
Temperature of soils, 231. 
Tertiary clay, 202. 
— fossils of, 202. 
— disturbances of, 203. 
Thickness of the Helderberg divi¬ 
sion, 185. 
— of the Ontario division, 152. 
— of the Medina sandstone, 143. 
— of the Marcellus slate, 183. 
— of the Hamilton shales, 185. 
— of the Catskill division, 197. 
Thinbedded limestone, 159. 
Topographical sketch of the State, 
3. 
Transportation of boulders, 210. 
Trenton limestone, 123. 
Tribes-hill, soil of, 257. 
Tully limestone, 186 
— analysis of, 347. 
Utica slate, 123. 
Waters of the Wheat district, 298. 
— of the Southern district, 314. 
Western or Wheat district, 8, 270. 
Waterfalls of Ontario division, 149. 
Winters of Livingston county, 292. 
