Chapters in this book

1. Frontmatter I
2. EXTRACT III
3. OFFICERS V
4. LIST OF MEMBERS VII
5. OBITUARY NOTICE IX
6. OBITUARY NOTICE XI
7. CONTENTS XIII
8. ERRATA XVI
9. ARTICLE I. Grammatical Sketch and Specimens of the Berber Language: preceded by four Letters on Berber Etymologies, addressed to the President of the Society 1
10. ARTICLE II. Description of a new Species of Sarracenia 49
11. ARTICLE III. Description of a Species of Orang, from the north-eastern Province of British East India, lately the Kingdom of Assam 52
12. ARTICLE IV. Silver Ores reduced by the Method of Becquerel 60
13. ARTICLE V. Observations on the Naiades, and Descriptions of new Species of that and other Families 63
14. ARTICLE VI. Description of a new Genus of the Family Melaniana of Lamarck 122
15. ARTICLE VII. Report of a Committee of the American Philosophical Society on Astronomical Observations ; containing Observations made in* different Parts of the United States, on the Solar Eclipse of February 12th, 1831 125
16. ARTICLE VIII. Synopsis Fungorum in America Boreali media degentium. Secundum Observationes Ludovici Davidis de Schweinitz 141
17. ARTICLE IX. Descriptions of the Inferior Maxillary Bones of Mastodons in the Cabinet of the American Philosophical Society, with Remarks on the Genus Tetracaulodon (Godman), &c 317
18. ARTICLE X. On Irradiation 340
19. ARTICLE XI. Names which the Lenni Lenape, or Delaware Indians, who once inhabited this Country, had given to Rivers, Streams, Places, &c. &c., within the now States of Pennsylvania, New Jersey, Maryland and Virginia: and also Names of Chieftains and distinguished Men of that Nation; with the Significations of those Names, and Biographical Sketches of some of those Men 351
20. ARTICLE XII. Notice of Fossil Bones found in the Tertiary Formation of the State of Louisiana 397
21. ARTICLE XIII. Notice of the Discovery of the Remains of the Ichthyosaurus in Missouri, N. A. 405
22. ARTICLE XIV. Descriptions of new North American Insects, and Observations on some already described 409
23. Donations to the Library 471
24. Donations to the Cabinet 491
25. Index to the First, Second, Third and Fourth Volumes, New Series 495