408 INDEX. 
ae sata manufacture of, 375 
Thom homas, Prof. extract ofa fetigr from, 396 
Titan, oxid os — 
outh Carolina, 228 
soci of rae Huron, &c. 254 4 
rap region, of New-England, 221 
Transition formation of Lake Huron, 257 
Translations from the Arabic, 384 Trees in alluvion, 53 
Trilobite of Albany, 225 Troost G. Dr. on Amber, 
Troy, geological notiee of, 7 
Town, Ithiel. Mr. on Bridge Building 158 
Unanue, Hippolite, letter from to Prof. 5. L. Mitchill, 397 
Vanden Heuvel, J. C. _ on honey bees, 79 
Van Diemen’s land, 3 
Vegetation how suppo ted, 3 372 
Vegeta’ tab fee eae “of Zanesville, Ohio. 5 
mains in coal, in Scotiand &c. 389 
Virginia uae spar, 24 
Volcano, ES River Mosntain was ever the seat of 
one 
WwW. 
Wachitta, cove of, 20—28, niet springs of 29° 
Ware, N. A. Esq. his opinion on drift wood, 19 {note 
Warm springs of Buncombe county, N. Car. 11 
Water, formation of, by compound blowpipe pe 
compressibility. aie) Sac 369. 
sea contains potash, 
. Wenn. mineral, artificial formation ae 95 
chalybeate, 235° -Wavellite, American, 239: 
Webster, J. W. Dr. on prussic ac cid, 179—epido 
Sinter of St. Michael, 391 
Westfield, hae its analogies with Mansfield in Hesse, 226 
tine 
e, 238 
West river cp re notice of, 73. White, — Mr. 320 
Wilson, J. W. Mr. on bursting of lakes throu gh mountains, 25? 
Woad recommended for spring pasture, 35 
WwW orem of staining 166 
C. Mr. extract of a letter from, 396 
Wash Beam, Mr. — lime, 230 _ 
Yellow wood, 44 
