conducted by Benjamin Silliman, The American Journal of Science…
“ D. W. Barton, on the Virginia fluor spar, 277 Major Delafield on the L. Erie Sulphat of Strontian, &c. 279 Dr. J. I. Bigsby on the same, 280 Major Delafield on the Geology of the Lake Regions, 282 H. H. Hayden, Esq. on Cobalt & Manganese Ores, 282 Mr. T. H. Webb on Minerals near Providence, (R. I.) 284 Mr. H. R. Schoolcraft on a Remarkable Fossil Tree, 285 BOTANY. Prof. ”
