23 
TRUBNER & CO., 60, PATERNOSTER ROW. 
Journal of the Academy of Natural Sciences of Philadelphia— Continued. 
Part II* January, 1852. 
Article 
9. Substance of Notes made during a Geological Reconnaissance in the Auriferous 
Porphyry Region next the Carribbean Sea, in the province of Veraguas, and 
Isthmus of Panama, by Richard C. Taylor. 
10. The North-American Jackal-Canis Frustror, by S. W. Woodhouse, M.D. 
11. Descriptions of seven New Species of Crinoidea from the Sub-carboniferous Lime¬ 
stone of Iowa and Illinois, by David D. Owen, M.D., and B. F*. Shumard, M.D. 
12. Descriptions of Owls presumed to be new Species, in the Collection of the Academy 
of Natural Sciences of Philadelphia, by J. Cassin. 
13. An attempt to classify the Longicorn Coleoptera of the part of America north of 
Mexico, by John L. Le Conte, M.D. 
14. Monograph of the Birds composing the Genera Hydropsalis (Wagler), and Antro- 
stomus (Nuttall), by John Cassin. 
15. On the Genus Acostaea of D’Orbigny, a Fresh-water Lamellibranchia, by I. Lee. 
16. Description of a New Species of the Genus Paradisea, Linn., in the Collection of the 
Academy? of Natural Sciences of Philadelphia. 
17. Description of a New Species of Crocodile from the Miocene of Virginia, by Joseph 
Leidy, M.D. ' 
18. An attempt to classify the Longicorn Coleoptera of the part of America north of 
Mexico, by John L. Le Conte, M.D. 
19. Description of two New Minerals and a New Earth, by D. D. Owen, M.D. 
Part III. January, 1853. 
20. Description of a Fossil Saurian of the New Red Sandstone Formation of Pennsyl¬ 
vania, with Some Account of that Formation, by Isaac Lee. 
21. On some New Fossil Molluscs in the Carboniferous Slates of the Anthracite Seams 
of the Wilkesbarre Coal Formation, by Isaac Lee. 
22. On the Osteology of the Head of 1 Hippopotamus, and a Description of the Osteo- 
logical Characters of a New Genus of Hippopotamidae, by Joseph Leidy, M.D. 
23. Synopsis of the Species of Pterostichus, Bon., and allied Genera inhabiting 
Temperate North America, by J. L. Le Conte, M.D. 
24. Descriptions of New Species of Birds of the Genera Melanerpes (Swainson), and 
Lanius (Linnaeus), by John Cassin. 
25. Notes on the Birds of California, observed during a residence of three years in that 
country, by A. L. Heermann, M.D. 
26. Descriptions of New Fossil Shells of the U, S., by T. A. Conrad. 
Part IY. February, 1854. 
27- Exotic Fungi from the Schweinctzian Herbarium, principally from Surinam. 
Revised by the Rev. M. J. Berkeley, M.A.,F.L.S., and Rev. M. A. Curtis, D.D. 
28. Descriptions of New Species of Unio, by Ti A. Conrad. 
29. On some New Reptiles from Oregon and the Western Coast of Africa, by Edward 
Hallowell, M.D. 
30. Embryonic Development of Planocera Elliptics, by C. Girard. 
31. On Bathygiiathus Borealis, an extinct Saurian of the New Red Sandstone of Prince 
Edward’s Island. 
32. Monograph of the Genus Argonauta, Linn., with Descriptions of five New Species, 
by T. A. Conrad. 
33. Synopsis of the G enera Parapholas and Penicilla, by T. A. Conrad. 
Vol. III. Part I. May, 1855. 
1. Notice of Producti found in the Western States and Territories, with Descriptions 
of twelve New Species, by J. C. Norwood and Henry Pratten, of the Illinois 
Geological Survey. 
2. Notice of the Genus Chonetes, as found in the Western States and Territories, with 
Descriptions of eleven New Species, by Joseph G. Norwood and Henry Pratten, 
3. Contributions to South American Herpetology, by E. Hallowell, M.D. 
4. Plantae Heermannianae. Descriptions of New Plants collected in South California, 
by Dr. A. L. Heermann ; with Remarks on other Plants heretofore described, and 
belonging to the same Collection. 
5. An Account of several Species of Fish observed in Florida, Georgia, &c., by 
John Edward Holbrook, M.D. 
6 . Researches on the Cryptogamic Flora of the State of Georgia. 
7. Descriptions of New Species of Birds of the Genus Spermestes, Swainson, in the 
Museum of the Academy of Natural Sciences of Philadelphia, by John Cassin. 
Part II. December, 1855. 
8 . Notice of Fossils from the Carboniferous Series of the Western States, belonging to 
