22 
AMERICAN NATURAL HISTORY. 
Journal of the Academy of Natural Sciences of Philadelphia— Continued. r 
Article 
5. Remarks on the Birds observed in Upper California, with Descriptions of New 
Species, by William Ganibel. 
6 . I. History and Anatomy of the Hemipterous Genus Belostoma, by Joseph Leidy, 
M.D. II Miscellanea JZoologica, by Joseph Leidy, M.D. 
7* Fragments Entomologies, auctore J. L. LeConte, M.D. 
Part II. August* 1848. 
8 . Descriptions of North American Coleoptera, chiefly in the Cabinet of J. L. LeConte, 
M.D., with reference to described Species, by S. S. Haldeman. 
9. Observations on the Eoeene Eormation, and Descriptions of one hundred and five 
New Fossils of that Period, from the vicinity of Vicksburg, Mississippi; with an 
Appendix, by T. A. Conrad. 
10. Description of a New Buceros, and a Notice of the Buceros Elatus (Temm.), both of 
which are in the Collection of the Academy of Natural Sciences of Philadelphia, 
by John Cassin. 
11. Descriptions of three New Species of the Genus Icterus (Briss.,) Specimens of 
which are in the Museum of the Academy of Natural Sciences of Philadelphia, by 
John Cassin. 
12. Monograph of the Fossil Squalid® of the U. S., by It, W. Gibbes, M.D. 
13. Descriptions of Plants collected by William Gambel, M.D., in the Rocky 
4 .Mountains ; aud Upper California, by Thomas Nuttall, • •!. 
Part III. August, 1849. 
14 Monograph of Fossil Squalid® of the United States, by R. W. Gibbes, M.D., of 
South Carolina. . 
15. Descriptions of New Fossil and Recent Shells of the U. S., by T. A. Conrad. 
16. Notes on Shells, with Descriptions of New Genera and Species, by T. A. Conyad. 
17. Remarks on the Birds of Upper California, with Descriptions of New Species, by 
William Gambel, M.D. 
18. Additional Observations on a New Living Species of Hippopotamus, by Samuel G. 
Morton, M.D., Penn, and Edinburgh. 
19. Descriptions of New Species of Birds of tlie Genera Vidua (Cuvier), Euplectes 
(Swainson), and Pyrenestes (Swainson), Specimens of which are in they Academy 
of Natural Sciences of Philadelphia, by John Cassin. 
;20. Cryptocephalinarum Boreali-Americse Diagnoses cum Speciebus novis Musei 
lecontiani Auctore S. S.. Haldeman. 
:2L Observations on the Reproductive Organs and on the Foetus of the Delphinus 
Mesarnak, by C. D. Meigs, M.D. 
Part IV. January, 1850. 
:22. Descriptions of New Fresh-water and Marine Shells, *by T. A. Conrad. 
,23. Revision of the North American Tailed Batrachia, with Descriptions of New Genera 
and Species, by S. F. Baird, Carlisle, Pennsylvania. 
:24. Descriptions of New Species of the Genera Micrastur (G. R. Gray), Tanagra 
(Linn.), and Sycobius, (Vieill.), by John Cassin. 
25. New Species of Myliobates from the Eocene of S. Carolina, with other Genera not 
heretofore observed in the U. S., by Robert W. Gibbes, M.D. 
‘26. Descriptions of two Species of Distoma, with the partial History of one of them, by 
Joseph Leidy, M.D. 
■21. An attempt to classify the Longicorn Coleoptera of the part of America north of 
Mexico, by John L. Le Conte, M.D. 
Vol. II. (1850—1854.) Part I. November, 1850. 
1. An attempt to classify the Longicorn Coleoptera, of the part of America north 
of Mexico, by John L. Le Conte, M.D. 
2. Descriptions of one New Cretaceous and seven New Eocene Fossils, by T. A. 
Conrad. 
3. Descriptions of some American Annelida Ambranehia, by J. Leidy, M.D. 
4. Descriptions of Owls presumed to be New Species, in the Collection of the Academy 
of Natural Sciences of Philadelphia, ,by John Cassin. 
5 . Description-of a New Species .of Mergulus Ray, from the Coast of California, by 
William Gambel, M.D. 
6 . Description of fifteen New Speeies of Crinoidea from the Sub-carboniferous Lime¬ 
stone of Iowa, icollected during the U. S. Geological Survey of Iowa, Wisconsin, 
■and Minnesota, in the years 1848, 1849, by David D. Owen, M.D., and B. F. 
iShumard, M.D- 
7. Fossil Footprints of Connecticut River, by James Deane, M.D. 
: 8 . On the Giant Wolf of North America, Lupus Gigas, by John K. Townsend, M.D. 
