ENDEX. "BID 
@rabtree, Eleazar, on sea-serpent, 154 
Crystallization of Snow, 337 
Crystals of quartz, 14 
Cummings, \br’m. on sea-serpent, 151 
Cutbush, Dr. James, his electrical lamp, 332 
D 
Dana, J. F Dr. on cantharidin, 137—-localities, 243 
Daubeny, Dr. his remarks, 351 
Datholite of New-Jersey, 191,369 
Demonstrations, mathematical, 266 
Dentalium, 44 
Dewey’s, Professor, localities of minerals, 236 
Geological section, 246 
Floral indications of autumn, 255 
Diamond hill, 13 
Dictionary, mineralogical, 352 
Differential thermometer of Dr. Howard, 327 
Doolittle, Isaac, on steam-engine, 101 
Dry rot, 114 
Dust, atmospherical, remarks on, 134 
Dwight, Henry E. his remarks on the Kattskill mountains, 11 
E. 
Warths, indications of their reduction, — 
Eaton, Amos, Professor, fibrous sulphate of barytes, 174 
localities of minerals, 238 
Edinburgh, its society of arts, 344 | 
Electrical lamp, 330, 332 
Emmons, ©. locality of serpentine, 236—and of wavellite P 249 
Emerald mines, 354 ; 
Engravings, mode of altering the size of, 342 
Entrocites, 13 
Epidote, 240, 241 
Ergot of rye, 45 
Erie, lake, cinnabar, on its shores, 170 
Eriocarpum, (acer) 258 
Ether, nitrous, new process for, 326 
Eudiometers, new, by Professor Hare, 312 
Exogyra, genus, 43 
Expedition, exploring, 178 
Facts, curious geological, 144 
Farey, John, on musical intervals, 65 
Felch, Cheever, 159 
Fluor spar, 141—fetid, 176 
Fond, Faujas, de St. his death, 352 
Foot, Dr. L. on cold, — 
Fossil zoology, 34 
Franklinite, analysis of, 323 
Furnaces for iron, 209, 212 
