384 INDEX. 
Steam navigation, 342, 347 Steel, natural, 228 
Steinhaver, Rev. H. his remarks, 233 
Stickney, B. F. on native lead and cinnabar, 170 
Strata at Carthage Bridge, 253 
Strong, Theodore, Prof. his problems, 266 & 
Strontites, fusion of, 295 Stromnite, 177 
Sugar, manufacture of, 258 
Sullivan, on the steam engine, 106 
Sweden, its population, 347 : Scyllea pelagica, 367 
Taconick Range, 246 Tale, green, 236 
Teeth of the Mastodon, 245 
Terrubratula genus, 43—pennata, 244 
Thermometer, differential, Dr. Howard’s, 327 
Thomson, Dr. 284 Titanium from Virginia, 145 
Torrey, Dr. 173, 176, &c. 
Tour in New-Haven and Litchfield Counties, 201 
Tourmalin, 239—radiated, 240 
Townsend, Dr. P. 8. 339, 371 
Traell, Dr. 177 Trees of the Kaatskills, 24 
Trap of New-Haven, 202—ot Woodbury, 231 
Tremolite, 141, 236, 237, 238, 241 
Troy Lyceum, 173 
Troy, rocks between, and Williamstown, 246 
Tuckahoe, 369 Tully, Dr. Wm. on Ergot, 45 
Turritella, 44 : 
U. 
Uses, economical, of New-Jersey ores of zinc, 326 
Vacuum, heat of, 343 
Van Rensselaer, Dr. ascends Mount Blanc, 1 
Vapours, latent heat of, 361 
Vegetation, metallic, 349 View from the Kaatskills, 19 
Volcanoes, remarks on, 340 Volney, death of, 345 
W. 
Wacke, 12 Water, in quartz crystals, 14 
Waterfall, 209 Wavellite, 248, 249 
Webster, Dr. localities of minerals, 239 
Wheeler, Hawkins, on sea serpent, 162 
Windsor, East, fossil bones discovered in, 146 
Woodbury basin, 231 
Z. 
Zoolite of New-Jersey, 191—of Woodbury, 232 
Zine ores of New-Jersey, analysis of, 329 
Zircon; fusion of, 292 Zoophytes, 34 
