< The American Journal of Science
| CONTENTS OF VOL. IV. |
 | ||
| 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 Mineralogy, &c. (communicated in May, 1821.) | 25 | |
| Miscellaneous notices in American Mineralogy, &c. by Messrs. J. P. Jenkins. Z. Cist, T. Seal, aud Drs. L. Foot and J. H. Steel, | 33 | |
| Notices in Mineralogy, &c. by the Editor and others, | 40 | |
| President Thomas Cooper, M. D. on Volcanoes and Volcanic substances, | 205 | |
| Dr. J. W. Webster's foreign notices in Mineralogy, Geology, ancient Arts, &c. | 243 | |
| Mr. D. W. Barton on the Geology of the Catskills, (with a plate) | 249 | |
| Notice of Dr.J. W. Webster's work on the Azores,&c. | 251 | |
| M. Alexander Brongniart on Vegetllble Fossils, which traverse 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, | 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. D. B. Douglass and Dr. J. Torrey on the Plants of the North-West, | 56 | |
| Mr. John P. Brace on the Plants of Litchfield, &c. | 69 | |
| Professor J. Green on the Cotton Plant, | 86 | |
| Mr. John P. Brace's Catalogue of Plants near Litchfield, &c. | 292 | |
| ZOOLOGY. | ||
| Dr. J. E. Dekay on tlte Pennatule flèche, (with a figure,) | 87 | |
| Prof. J. Green on the Bald Eagle, | 89 | |
| Prof. S. L. Mitchell on the Proteus of the North-American Lakes, | 181 | |
| Prof. S. L. MitchelI on the Mus bursarius, | 183 | |
| Prof. Jacob Green — Fragments relating to Animals, | 300 | |
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