TRUBNER & CO., 60, PATERNOSTER EOW. 
17 
Journal of the Academy of Natural Sciences of Philadelphia4ff7o^mw^.- 
Analysis of an Ore of Copper from New Jersey, by George T. Bowen. 
Description of Coleopterous Insects, by Thomas Say (continued:). 
On a Fossil Genus of the Order Enalio Sauri (Conybeare), by R. Harlan, M.D. 
On a New Extinct Fossil Species of the «Genus Ichthyosaurus, by R. Harlan, M.D. 
Observations on the Nomenclature of Wilson’s Ornithology, by C. Bonaparte. 
Account of an Examination of Fused Charcoal, by Lardner Vanuxem. 
Descriptions and Analysis of the Sillimanite, a New Mineral, by George T. Bowen. 
On a New Species of Duck, described by Wilson as the same with the Anas Fuligula of 
Europe, by Charles Bonaparte. 
On a Species of Lamantin resembling the Menafus Senegalensis (Cuvier), inhabiting 
the Coast of East Florida, by R. Harlan, M.D. 
Descriptions of two New Species of‘the Genus Batraehoid of Lacepede, by C. A. 
Le Sueur. 
Descriptions of Coleopterous Insects, by Thomas Say (continued.) 
Catalogue of the Library (continued). 
List of Donors to the Library. 
List of Donations to the Museum with the Donors’ names. 
Alphabetical Index to Volume III. 
List of Plates. 
Addenda et Corrigenda. 
Yol. IV. Part I. 13 Plates. 8vo, pp. iv. and 200. Philadelphia, 1824. 
\ ' ■ Am jppN.T^NTS.' 
List of Officers. 
Observations upon some of the Minerals discovered at Franklin, Sussex County, N. 
J., by Lardner Vanuxem and W. H. Keating. 
Nova Generis Capromys, Desm. Species, auctore Edwardo Pceppig, M.D. Lips. Sax. 
On an extinct Species of Crocodile not before described ; and some Observations on the 
Geology of West Jersey, by R. Harlan, M.D . 
Observations on the Nomenclature of Wilson’s Ornithology, by Chaides Bonaparte 
(continued). 
Description of the Os Hyoides of Mastodon, by John D. Godman, M.D. 
Description of a Testaceous Formation at Anastasia Island, extracted from Notes made 
on a Journey to the Southern Parts of the United States, during the Winter of 
1822 and 1823, by R. DIefe. 
Description of a New Species of Fish, of the Linnsean Genus Perea, by J. Gilliams. 
Descriptions of Colepterous Insects collected in the late Expedition to the Rocky 
Mountains, by 1’homas Say.' 
Description of several Species of the Linnsean Genus Raia, of North America, by C. 
A. Le Sueur. 
Description of a New Crystalline Form of the Andalusite, by G. Troost, M.D. 
An Account of some of the Fossil Shells of Maryland, by Thomas Say. 
Description of several New Species of Holothuria by C. A. Le Sueur. 
Observations on the Nomenclature of Wilson’s Ornithology, by Charles Bonaparte 
(continued). 
Yol. IY. Part II. 10 Plates.. 8vo, pp. iv. 203 to 411. Philadelphia,' 1825. 
CONTENTS. ■ 
Officers of the Academy of Natural Sciences of Philadelphia, for the year 1825.' 
On the Fresh-water and Land Tortoises of the United States, by Thomas Say. 
Observations on the Zinc Ores of Franklin and Sterling, Sussex County, New Jersey, 
by G. Troost, M.D. 
Notice of the Plesiosaurus, and other Fossil Reliquise, from the State of New Jersey, 
by R. Harlan, M.D. 
Description of three New Species of Coluber, inhabiting the United States, by T, Say. 
Description of two Species of Linnsean Lacerta, not before described, and Construction 
of the New Genus Cyclura, by R. Harlan, M.D. 
Observations on the Nomenclature of Wilson’s Ornithology, by Charles: Bonaparte 
(contipued.) 
Description of four New Species of Linnsean Genus Blennius and a New Exocetus, by 
William W. Wood. 
Description of a New Species of Biped Seps, by R. Harlan, M.D. 
Description of a New Species of Scincus, by R. Harlan, M.D. 
On two Genera and several Species of Crinoidea, by Thomas Say. 
Description of two New Species of Agama, by R. Harlan, M.D. 
An Account of a New Species of the Genus Arvicola, by George Ord. 
Description of a New Species of Salamander, by William W. Wood. 
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