CONTENTS OF VOL. TV. 
pe 
GEOLOGY, MINERALOGY, &c. : 
Page. 
Mr. Z. Cist on the Wilkesbarre Anthracite, &c. (with a map 
and a section plates I. and II.) - - 1 
__Mr. Thomas Nuttall on the Serpentine of Hoboken, &c. 16 
Prof, F. Hall on Iron and its Manufacturers in Vermont, &c. 23 
_ Dr. J. W. Webster’s Foreign notices in NEES &e. (com- 
~_ municated in May, 1821.) - 25 
Miscellaneous notices in American Mineralogy. &e. a Messrs. 
J.P. Jenkins, Z. Cist, T. Seal, and Drs. L. Foot and J. 
H. Steel, - - 33 
Notices in Miner alogy, &c. he the Editor Sie oho AO 
- President Thomas fonpes .D. on ealeanpes and eran 
substances, 205 
Dr. J. W. Biers cinan notices in Mineralogy, er onerts 
ancient Arts, &c. - 
Mr. D.W. Barton on the Geass of He Catskills »( with atte) ae 
Notice of Dr. J. W. Webster’s work on the Azores, &c. —- 251 
M. Alexander Brongniart on Vegetable F ssils, which trav- 
erse the layers of coal formations, (translation, with a plate,) 266 
Miscellaneous Notices of American Mineralogy, &c. 274 
Prof. Dewey’s notices of various localities, - 274 
Mr. D. W. Barton, on the Virginia fluor spar, - rings 
Major Delafield on the L. Erie Sulphat of nisoniags &c. 279 
Dr. J. I. Bigsby on the same, - 280 
Major Delafield on the Geology of the Late Poa, 282 
H. H. Hayden, Esq. on Cobalt & Manganese Ores, 283 
Mr. T. H. Webb on Minerals near Providence, (R. 1.) 284 
Mr. H. R. Schoolcraft on a Remarkable Fossil Tree, 285 
BOTANY. 
Prof. D. B. Douglass and Dr. J. ertey on the Plants of the 
North-West, - 56 
Mr. John P. Brace on the Plants ci batenfeld, &e. - 69 
Professor J. Green on the Cotton Plant, - 86 
Mr. John P. Brace’s Catalogue of Plants near Liichfelal &c. 292 
ZOOLOGY. 
Dr. J. E. Dekay on the Pennatule fléche, (witha figure, ) 87 
