INDEX. 



Abau, p. 391 



Abstract of the proceedings of the New- York Lyceum of Natu- 

 ral History, 361 

 Academy of inscription and belles-lettres, at Paris, 386 

 Account of a travelled stone, 158 

 Acid, fluoric, 354 



sulphuric, crystallization of, 186 



Alasmodonta, on the genus, 258 



Alluvion, 80 



Alum, manufactory of at Salem, 372 



American Geological Society, 377 



Analcime, 224 



Analysis of a maganesian garnet, 155 



of the glassy actynolite of Concord, 331 



of argentine and crystallized steatite, 333 



of vegetables, 384 



Andalusite, American, 176 



Animal Fat, remarks upon, 377 



Anthophyllite, 227 



Anthracite, fusion of, 353 



Apophyllite, 225 



Argillite, 35 



Asthma, cure of by lightning, 329 



, efficacy of prussic acid in, 366 



B. 



Barnes, D. H. Mr. on the genera Unio and Alasmodonta, 107, 



258 

 Barytes, sulphate of, 211 

 Beck, Dr. notice of his Gazetteer, 367 

 Bellows-Falls, granite of, 1 1 

 Beryl, 222 



Bismuth, native, 210, 235 

 Black Mountain, 6 

 Blowpipe, experiments with, 349 

 Bodies, Carbonaceous, additional notice of, 379 

 Boletus Igniarius, observations on, 177 

 Bones, Fossil, 43 



Vol. VI. 51 



