Journal of the Academy of Natural Sciences of Philadelphia-Continued. Observations on the Electrical Properties of Caoutchouc, or Gum Elastic, &c., by W. R. Johnson.

Description of two New Species of Salamander, by Jacob Green, M.D.

Description of fifteen New Species of recent, and three of Fossil Shells, chiefly from the Coast of the U.S., by Timothy A. Conrad.

Description of the Fossil Bones of the Megalonyx, discovered in White Cave, Kentucky, by R. Harlan, M.D.

Description of an extinct Species of Fossil Vegetable, of the Family of Fucoides, by R. Harlan, M.D.

Notice of some Parasitic Worms, by S. G. Morton, M.D.

Description of new North American Hemipterous Insects, by Th. Say (continued). Donations to the Cabinet of the Academy, during the years, 1827, 1828, 1829, and 1830.

Index to the Sixth Volume.

Vol. VII. Part I. 13 Plates. 8vo, pp. 182. Philadelphia, 1834.

List of Officers for the year 1834.

CONTENTS.

Catalogue of Plants collected chiefly in the Valley of the Rocky Mountains, near the Sources of the Columbia River, by Mr. N. B. Wyeth. Described by T. Nuttall. Description of some of the rarer or little-known Plants indigenous to the United States, by T. Nuttall.

Observations on the Tertiary and more recent Formations of a portion of the Southern States, by T. A. Conrad.

Descriptions of New Tertiary Fossils from the Southern States, by T. A. Conrad. Analysis of some of the Coals at Pennsylvania, by H. D. Rogers and A. D. Bache. Description of a New Genus of Fresh-Water Shells, by T. A. Conrad.

Description of a New Species of Hinnita, by T. A. Conrad.

Vol. VII. Part II. 10 Plates. 8vo, pp. 183 to 414. Philadelphia, 1837.

List of Officers for the year 1837.

CONTENTS.

Description of twelve New Species of Birds, chiefly from the vicinity of the Columbia
River, by John Kirk Townsend.

Description of a New Species of Hare found in South Carolina, by J. Bachman.
On the Fusing Point of Zinc, and a reference to the Relation between the Tenacity and
the Fusibility of the Metals in general, by Walter R. Johnson, A.M., &c.
Description of Two New Species of Trilobites, by Jacob Green, M.D.
Description of New Marine Shells from Upper California. Collected by T. Nuttall,
Esq., by T. A. Conrad.

Observations on the Effects of a remarkable Atmospheric Current of Storm, as witnessed
on the day following its occurrence, by Walter R. Johnson, A.M., M.A. N.S.P.
Observations on the Different Species of Hares (Genus Lepus) inhabiting the U.S. and
Canada, by J. Bachman, D.D., President of the Literary and Philosophical
Society, Charleston, S. C.

Some Remarks on the Genus Sorex, with a Monograph of the North American Species, by John Bachman.

Additional Note on the Genus Lepus.

Description of a New Species of Wood-pecker, by James Trudeau, M.D.

Vol. VIII. Part I. 9 Plates. 8vo, pp. 171. Philadelphia, 1839.

CONTENTS.

Officers of the Academy of Natural Sciences of Philadelphia, for the year 1839. Description of New North American Neuropterous Insects, and Observations on some already described, by (the late) Thomas Say.

Summary of Meteorological Observations for 1836; made in Fayette County, Tennessee, by M. Rhea.

Description of Five New Fossils, of the older Pliocene Formation of Maryland and North Carolina, by Wm. Wagner.

A few Facts in relation to the Identity of the Red and Mottled Owls, by Ezra Michener, M.D.

Description of several New Species of American Quadrupeds, by the Rev. J. Bachman, of Charleston, S. C.

List of Quadrupeds procured by Mr. Townsend, and sent to the Academy of Natural Sciences.

Additional remarks on the Genus Lepus, with corrections of a former Paper, and descriptions of other Species of Quadrupeds found in North America, by John Bachman.

HISTORY.]

BIBLIOGRAPHICAL GUIDE.

Journal of the Academy of Natural Sciences of Philadelphia-Continued.
Additional Species to the List of Mr. Townsend's Quadrupeds.

Catalogue of the Crustacea brought by Thomas Nuttall and J. K. Townsend from the
West Coast of North America and the Sandwich Islands, &c., by J. W. Randall.
Description of a New Species of Cypcelus, from the Columbia River, by J. K.
Townsend.

Description of a New Species of Sylvia, from the Columbia River, by the same.
An Analysis of Marl from New Jersey, by S. S. Haldeman.

List of Birds inhabiting the region of the Rocky Mountains, the Territory of Oregon,
and the North-West Coast of America, by J. K. Townsend.

Note of Sylvia Tolmai, by the same.

Description of the White-winged Tanager (Pyranga leucoptera), by J. Trudeau.
Description of a Species of Land-Tortoise, from Africa, by Edward Hllaowell, M.D.
Vol. VIII. Part II. 10 Plates. 8vo, pp. 172 to 354. Philadelphia, 1842.

CONTENTS.

Officers of the Academy of Natural Sciences of Philadelphia, for the year 1842.
Some Observations on the Mechanical Structure of Coal, with evidences of the con-
temporaneous origin of its various kinds, by Walter R. Johnson, A.M.
Description of three New Species of Unio from the Rivers of the United States, by T.
A. Conrad.

Examination and Analysis of Coal found in the Province of Arauco, Coast of Chili,
thirty miles south of Bio Bio River, by Walter R. Johnson, A.M.

Description of a New American Species of the Genus Helix, by John S. Phillips. Description of twenty-four New Species of Fossil Shells, chiefly from the Tertiary deposits of Calvert Cliffs, Maryland, by T. A. Conrad.

Some Remarks on the Ancient Peruvians, by S. G. Morton, M.D.

On the relation between the Coal of South Wales and that of some Pennsylvania Anthracides, by W. R. Johnson, A.M.

Description of five New Species of American Fresh-water Shells, by S. S. Haldeman. Description of the Nest and Eggs of the Fulica Americana and Anas discors, by George C. Leib, M.D.

Remarks on the so-called Pigmy Race of the Valley of the Mississippi, by S. G. Morton, M.D.

Description of some New Species of Organic Remains of the Cretaceous group of the U. S., with a Tabular View of the Fossils hitherto discovered in this Formation, by

the same.

Observations on the Silurian and Devonian Systems of the U. S., with Descriptions of new Organic Remains, by T. A Conrad.

Descriptions of New Species of Organic Remains belonging to the Silurian, Devonian, and Carboniferous Systems of the U. S., by the same.

Descriptions of New Species of Quadrupeds inhabiting North America, by J. J. Audubon, Esq., and the Rev. John Bachman, D.D.

Description of a New Species of Chameleon from Western Africa, by E. Hallowell, M.D.

Description of two New Species of the Genus Perca, from the Susquehanna River, by S. S. Haldeman.

Description of a New Species of Cyclops and two Species of Tubifex, by S. S. Haldeman.

Description of two New Species of Fossil Scutellæ, from South Carolina, by Edmund Ravenel, M.D.

Description of a New Genus of Serpents from Western Africa, by E. Hallowell, M.D. Meteorological Observations made at Philadelphia, during the year 1841, by William S. Zantzinger, M.D.

Journal of the Academy of Natural Sciences of Philadelphia. 4to. New Series.

ARTICLE

VOL. I. (1847-1850.) PART I. DECEMBER, 1847.

1. On the Fossil Genus Basilosaurus, Harlan (Zeuglodon, Owen), with a Notice of Specimens from the Eocene Green Sand of South Carolina, by Robert W. Gibbes, M.D., of South Carolina.

2. Notice of the Discovery of a Cranium of the Zeuglodon (Basilosaurus), by M. Tuomey, State Geologist of South Carolina.

3. Observations on certain Fossil Bones from the Collection of the Academy of Natural Sciences of Philadelphia, by Richard Owen, Esq., F.R.S., Professor of Comparative Anatomy in the Royal College of Surgeons, London, &c. &c.

4. Description of a New Rapacious Bird in the Museum of the Academy of Natural Sciences of Philadelphia, by John Cassin.

Journal of the Academy of Natural Sciences of Philadelphia-Continued.

ARTICLE

5. Remarks on the Birds observed in Upper California, with Descriptions of New Species, by William Gambel.

6. I. History and Anatomy of the Hemipterous Genus Belostoma, by Joseph Leidy, M.D. II. Miscellanea Zoologica, by Joseph Leidy, M.D.

7. Fragmenta Entomologica, auctore J. L. Le Conte, M.D.

PART II. AUGUST, 1848.

8. Descriptions of North American Coleoptera, chiefly in the Cabinet of J. L. Le Conte, M.D., with reference to described Species, by S. S. Haldeman.

9. Observations on the Eocene Formation, 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 Squalidæ of the U. S., by R. W. Gibbes, M.D.

13. Descriptions of Plants collected by William Gambel, M.D., in the Rocky Mountains and Upper California, by Thomas Nuttall.

PART III. AUGUST, 1849.

14 Monograph of Fossil Squalida 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. Conrad. 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 the Genera Vidua (Cuvier), Euplectes (Swainson), and Pyrenestes (Swainson), Specimens of which are in the Academy of Natural Sciences of Philadelphia, by John Cassin.

20. Cryptocephalinarum Boreali-America Diagnoses cum Speciebus novis Musei lecontiani Auctore S. S. Haldeman.

21. Observations on the Reproductive Organs and on the Fœtus 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.

27. 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 Ambranchia, 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 Species of Crinoidea from the Sub-carboniferous Limestone of Iowa, collected during the U. S. Geological Survey of lowa, Wisconsin, and Minnesota, in the years 1848, 1849, by David D. Owen, M.D., and B. F. Shumard, M.D.

7. Fossil Footprints of Connecticut River, by James Deane, M.D.

S. On the Giant Wolf of North America, Lupus Gigas, by John K. Townsend, M.D.

Journal of the Academy of Natural Sciences of Philadelphia-Continued.

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 Limestone 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 Antrostomus (Nuttall), by John Cassin.

15. On the Genus Acostaa 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 Pennsylvania, 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 Hippopotamus, and a Description of the Osteological Characters of a New Genus of Hippopotamidæ, 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 (Linnæus), 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 IV. 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 T. 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 Bathygnathus 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 Genera 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. Planta Heermannianæ. 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

Journal of the Academy of Natural Sciences of Philadelphia—Continued.

ARTICLE

the Genera Spirifer, Bellerophon, Pleurotomariæ, Macrocheilus, Natica, and Loxonema, with Descriptions of eight New Characteristic Species, by Joseph G.

Norwood and H. Pratten.

9. Plantæ Prattenianæ Californica. An Enumeration of a Collection of California Plants made in the vicinity of Nevada, by Henry Pratten, Esq., of New Harmony; with critical Notices and Descriptions of such of them as are new or yet unpublished in America.

10. Relation of Atomic Heat to Crystalline Form, by S. S. Meigs, M.D.

11. Contributions towards a Knowledge of the Marine Invertebrate Fauna of the Coasts of Rhode Island and New Jersey, by Joseph Leidy, M.D.

12. Descriptions of New Species of Psittacidae in the Collection of the Academy of Natural Sciences of Philadelphia, by John Cassin.

PART III. MAY, 1856.

13. Descriptions of some Remains of Fishes from the Carboniferous and Devonian Formations of the United States, by Joseph Leidy, M.D.

14. Descriptions of some Remains of extinct Mammalia, by Joseph Leidy, M.D. 15. On the Sandstone Fossil of Connecticut River, by James Deane, M.D.

16. Plantæ Kaneanæ Grænlandicæ. Enumeration of Plants collected by Dr. E. K. Kane, U.S.N., in his first and second Expeditions to the Polar Regions: with Descriptions and Remarks, by Elias Durand.

17. A Commentary on the Synopsis Fungorum in Americà Boreali mediâ degentium, by L. D. de Schweinitz, by the Rev. M. S. Berkeley, M.A.,F.L.S., and the Rev. M. A. Curtis, F.A.A.A.S.

7s. 6d.

18. Synopsis of the Melolonthidae of the United States, by John L. Le Conte.
Leidy.-Flora and Fauna within Living Animals, by Joseph Leidy, M.D. 10
Plates. 4to, pp. 68. Washington, 1853. sewed.
M'Murtrie.-Lexicon Sententiarum; a Dictionary of Terms used in the
Various Branches of the Natural Sciences, by Henry M'Murtrie.
Philadelphia. sheep.

Memoirs of the American Academy of Arts and Sciences.
Collections and Publications of Learned Societies.
Natural History of New York State. 19 vols. 4to.

CONTENTS.

12mo.

4s. 6d. See under

Coloured. Albany.

4to.

Part 1. ZOOLOGY. Mammalia, by James E. de Kay. 33 coloured Plates. cloth. Ornithology, by James E. de Kay. 141 coloured Plates. 4to. cloth. -Reptiles and Amphibia, by James E. de Kay. 79 coloured Plates. 2 vols. 4to. cloth.-Mollusca, by James E. de Kay. 53 coloured Plates. 4to. cloth. 1842 to 1844.

Part 2.

BOTANY. Flora, by John Torrey, M.D., F.L.S. 158 coloured Plates. 2 vols. 4to. cloth. 1843. Part 3. MINERALOGY, by Lewis C. Beck. Above 500 Figures and 10 Plates. 4to. cloth. 1842.

Part 4. GEOLOGY, by W. W. Mather. Comprising the Geology of the First Geological District. 146 Plates, some coloured. 4to. cloth.-Comprising the Survey of the Second Geological District, by Ebenezer Emmons, M.D. 15 Plates. 4to. cloth.-Comprising the Survey of the Third Geological District, by Lardner Vanuxem. Woodcuts. 4to. cloth.-Comprising a Survey of the Fourth Geological District, by James Hall. Nearly 200 Illustrations, Maps, Views, Sections, &c. 4to. cloth. 1842 to 1843.

Part 5. AGRICULTURE, by Ebenezer Emmons. 24 Plates, Maps, and Views. 5 vols. 4to. cloth. 1846 to 1849.

Part 6. PALEONTOLOGY, by James Hall. Vols. I. and II. Upwards of 100 Plates. 4to. cloth. 1849 to 1852.

To be completed in about twenty volumes, with numerous Plates and Woodcuts, and a General Introduction, by his Excellency William H. Seward.

"The preparation of this splendid work by the ablest scientific men of the country has cost the State (of New York) more than 200,000 dollars, and is a brilliant example of enlightened legislative liberality. As a work embracing every department of Natural History, it must find a place in the library of all scientific men, as well as of all persons of taste and refinement. The work embraces the following departments :

waters.

"Ist. Zoology, in five volumes, by James E. de Kay: contains figures and full descriptions of all the Mammalia, Birds, Reptiles, Shells, and many of the Insects which inhabit the State and its Besides these, under the head of "Extra-Limital," are short descriptions of all species known to inhabit North America. Thus the student has not only the Zoology of one State, but in fact of the whole continent. The great range of the State of New York, from the northern lakes