INDEX. 



A. 



AcATE, p. 49, 52 



Alabama, notice of plants from, 61 



Alcohol, improved blowpipe by, 110 



Algebraic Series, new, 278 



Alkali, flowers of the mallows a test of, 194 



Alluvial, 209, 241 



Alum crystals, method of coloring, 194 



Amethyst, 48 



Amherst Institution, geological position of, 21 



Ammonia, condensation of, 357 



Analysis of the Brine springs of N. York, results of, 344 



of the ores of Manganese, 366 



of Pyroxene from Sparta, N. J., 145 



of Uranite, 380 



Analyses, Stromeyer's, 368 

 Ancient Lakes, 16 

 Animal heat, 200 



Annals of N. York Lyceum, 369 

 Anthracite, remarks on rocks accompanying, 260 

 Antiquities, Celtic, of America, 149 



Arrangement, Tabular, of the rock formations of the Connecti- 

 cut, 24 

 Argow, Canton of, 38 1 

 Argentine, additional notice of, 248 

 Atripsic curves, 99 

 Augite White, 30 



B. 



Barnes, D. H., Mr., Description of five species of Chiton, 69 



Bellows Falls, 12 



Berthier, Analysis of the ores of Manganese, 366 



Berzelius, letter on the Carlsbad waters and Uranium, 183 



Beudant's Travels in Hungary, observations on, 256 



Black Mountain, 12 



Blake, E. W., on the form of the teeth of cog-wheels, 86 



Blow pipe, improved by Alcohol, 110 



