CONTENTS OF VOL. IV. NO. I. 



Page. 



Art. I. — Dissection of two adult Dromedaries ; A Male and a Fe- 

 male. By J. B. S. Jackaon, M. D 1 



Art. II. — Descriptions of the Fishes of the Ohio River and its Trib- 

 utaries. By Jared P. Kirtland, M. D. 16 



Art. hi. — Observations on the Genus Scalops, (Shrew Moles,) with 

 Descriptions of the Species found in North America. By J. Bach- 

 man, D. D,, Charleston, S. C 26 



Art. IV. — On the Occurrence of the Phosphate of Uranium in the 

 Tourmaline Locality at Chesterfield. By J. E. Teschemacher. 35 



Art. V. — Descriptions of Twenty four Species of the Shells of New 

 England. By J. W. Mighels, M. D., of Portland, Me., and Prof C 

 B. Adams, of Middlebury College, Vt 37 



Art. VI. — Descriptions and Figures of the Araneides of the United 

 States. By Nicholas Marcellus Hentz. 54 



Art. VII. — Description of two new Species of Fishes. By D. Hum- 

 phreys Storer, M. D. 58 



Art. VIII. — On a new Species of Rafflesia, from Manilla. By J. E. 

 Teschemacher. 63 



Art. IX. — Remarks upon Coral Formations in the Pacific ; with Sug- 

 gestions as to the Causes of their Absence in the same Parallels of 

 Latitude on the Coast of South America. By Joseph P. Couthouy, 66 



Art. X. — Niagara Falls — their Physical Changes, and the Geology 

 and Topography of the Surrounding Country. By James Hall. 106 



Art. XI. — Note to the Editors respecting Fossil Bones from Oregon. 

 By Henry C. Perkins, M. D. . 134 



