502 



Emerson on Flax, Cotton, and Paper, 

 on Powder Explosions, . 

 on Imphee and Sorghum Culture 

 Ennis on the Nebular Hypothesis, 

 Foulke on Phantom Leaves, 

 on Arctic Minerals, 



on Pharmacopoeia of the London College, 

 on Musical Sounds, 

 Fraley on Sorghum Culture, 

 on Keating's Cabinet, 

 Gerhard on Expelling Members, 



on Gunpowder, 

 Goodwin on Mind and Causation, 



Obituary Notice of Dr. Hitchcock 

 Haldeman on Basque Sounds, 



on Whispered Vowels, . 

 on an Artificial-looking Pebble, 

 Hare on Force, ..... 

 Harris on Buceros Seutatus, 



on Borax found in California, 

 Hayden on Missouri Indians, 

 Henry on Storms, .... 



on the Aurora of August 4, 1864, 

 James T. P., Obituary Notice of Dr. Darlington 

 on California Mosses, 

 on an Enamelled portrait, 

 King on Duponceau's MSS., 

 Lanphear's Collection of Trade Tokens, 

 Le Conte on the Copper Age in America, 



Catalogue of Deposited Books, 

 Lesley on Crummell's Vocabularies, . 

 on the Taconic System, . 

 on the Coal System in S. Virginia, 

 on an Aurora in Cape Breton, 

 on Cape Breton Coal Beds, 

 on an Asphalt Vein in W. Virginia, 

 on Balls of Sea-grass on the Shore at Nice, 

 on the Vortical Gales of January, 1864, 

 on the Abbeville Quarries, 

 on the Ancient Sea Level, 

 on the Lower Silurian Iron Ore Belt, 

 on the late Discovery of Lignite in Pennsylvania, 

 Lesquereux on the Coal Flora of America, 

 on the Millstone Grit of Arkansas, 

 on California Mosses, 

 Lewis J., on Prime Right-angled Triangle 

 Marsh on Star-shower Charts, . 

 Merriam on Trade Tokens, 

 Morlot on the Copper Age in America, 

 Oliver, Note to Chase's Paper, . 



91, 360 

 . 295 

 116, 141 

 442 

 139 

 139 

 224 

 387 

 143 

 354 

 13 

 38 

 28 

 443 

 4 

 274 

 342 

 119 

 86 

 450 

 30, 58 

 60 

 63 

 330 

 412 

 457 

 13, 64 

 425 

 120 

 377 

 3 

 5 

 30 

 60 

 167 

 183 

 350 

 360 

 388 

 399 

 450 

 463 

 198 

 197 

 234 

 415 

 440 

 375 

 2, 110, 119 

 . 375 



93. 



461 



