4 
AMERICAN NATURAL HISTORY. 
Annals of the Lyceum of Natural History of New York— Continued. 
Article 
10. Description of a New Species of Siren, with some observations on Animals of a 
similar nature, by Captain J. Le Conte, of the United States Army, F.L.S. 52 
11. Observations on the Megatherium recently discovered in the United States, by 
Samuel L, Mitchell, M.D. . . . . . .58 
12. An Analytical Table to facilitate the determination of the hitherto observed North 
American Species of the Genus Carex, by the Rev. Lewis D. de Schweinitz 62 
13. Observations on the North American Species of the Genus Utricularia, by Captain 
John Le Conte . . . . . . *72 
14. Notice of New Localities of simple Minerals, along the north coast of Lake Supe¬ 
rior, and in the Indian Territory, N. W. from Lake Superior to the River Winni- 
pec, by J. Delafield, Esq., Agent of the United States for Boundaries, &c. 79 
15. Description of an Extraordinary Fish, resembling the Stylephorus of Shaw, by 
S. L. Mitchell, M.D. . : . ; ro , . . .82 
16. Observations and Experiments on the Seeds of the Cerbera Thevetia, by J. B. 
Ricord Madianna, M.D. . . . . . .86 
17. An Account of the Columbite of Haddam (Connecticut), with notices of several 
other North American Minerals, by John Torrey, M.D. . . 89 
18. An Account of the Phoca Cristata, recently taken in the vicinity of this city, by 
James E. De Kay, M.D. . . J . . . .94 
19. Appearances on Dissection of the Phoca Cristata, by E. G. Ludlow, M.D., and 
F. G. King, M.D. . . . . . .99 
20. Observations on the North American Species of the Genus Gratiola, by Captain 
John Le Conte . . . . . . . 103 
21. Notes on some New Supports for Minerals subjected to the action of the common 
Blow-pipe, by Lieut.-Col. J. G. Totten . . . . 109 
22. On the Remains of the Megatherium recently discovered in Georgia, by William 
Cooper . . . . .114 
23. Remarks on certain Entozoical Fungi, by Abraham Halsey . .125 
24. Researches and Experiments on some Species, of the Genus Passiflora, by J. B. 
Ricord Madianna, M.D. . . . . . . 127 
25. Notice of Several Species of Shells, by D. H. Barnes. . . . 131 
26. Observations on the North American Species of the Genus Ruellia, by Captain 
John Le Conte . . . . . . . 140 
$7- Account of the Discovery of a Skeleton of the Mastodon Giganteum. Extracted 
from a Report made to the Lyceum of Natural History, by Messrs. De Kay, Yan 
Rensselaer, and Cooper . . . . . . 143 
28. Descriptions of some New Grasses collected by Dr. E. James, in the expedition of 
Major Long to the Rocky Mountains, in 1819* 1820, by John Torrey . 148 
29. On the Hirundo Fulva of Veillot, with some General Remarks on the Birds of 
this Genus, by Dewitt Clinton ..... 156 
30. Facts and Observations connected with the Permanent Residence of Swallows in 
the United States, by John J. Audubon .... 166 
31. Description of some New Species of North American Insects, by Captain John Le 
Conte ........ 169 
32. Observations oh (he Structure of Trilobit^es, and Description of an apparently 
New Genus, by J. E. De Kay. With notes on the Geology of Trenton Falls, by 
Professor James Renwick . . . , . .174 
33. Observations on the Manners of the Hystrix Dorsata, or Porcupine of North 
America, by Frederick S. Cozzens ..... 190 
Vol. I. Part 2. 
34. Notice of Fossil Crustacea from New Jersey, by Jer. Yan Rennselaer, M.D. 196 
35. A Sketch of the Geology of the Island of Montreal, by J. J. Bigsby, M.D. . 198 
36. Description of a New Species of Grosbeak, inhabiting the North-Western Terri¬ 
tory of the United States, by William Cooper . . . . 219 
37. Observations on the Genus Salamandra, with the Anatoihy of the Salamander 
Gigantea (Barton), or S. Alleghaniensis (Michaux), and two new genera pro¬ 
posed, by R. Harlan, M.D, . . . . . 222 
38. Description of a New Genus of Mammiferous Quadrupeds of the Order Edentata, 
by Richard Harlan, M.D. . . . . . * 235 
39. Remarks on Native Silver from Michigan, by H. R. Schoolcraft . . 247 
40. Supplement to a Notice of Fossil Crustacea, by Jer. Van Rennselaer, M.D. 249 
41. Descriptions of New American Species of the Genera Buprestis, Trachys, and 
Elater, by Thomas Say . . . . . . 249 
42. Further Observations on the Amphiuma Meaus, by Richard Harlan, M.D. 269 
43. Note to a Paper entitled Observations on the Genus Salamandra, at page 222 of 
this volume . . . . . . . 270 
