

CONTENTS. 



Art. I. A Memoir of William Maclure, Esq., late President of 



the Academy of Natural Sciences of Philadelphia ; by 



Page.* 



Samuel George Morton, M. D., - 1 



II. Researches in Elucidation of the Distribution of Heat over 

 the Globe, and especially of the Climatic Features pecu- 

 liar to the Region of the United States ; by Samuel For- 

 ky, M. D., . 18 



M. A new Method proposed for computing Interest ; by Geo. 



R. Perkins, A. M., 51 



IV. Catalogue of the Fishes of Connecticut, arranged accord- 

 ing to their natural families ; by Rev. James H. Lins- 



ley, A. M., - 55 



V. Action of some of the Alkaline Salts upon the Sulphate 



of Lead ; by J. Lawrence Smith, M. D., - - 81 



VI. Observations upon the Dip of the Magnetic Needle ; by tf 



Prof. Thomas Hobart Perry, .... 84 



VII. Astronomical Operations performed at the Imperial Ob- 

 servatory of Pulkova ; translated from the Bibliotheque 

 Universelle, of October, 1843, by Jas. Nooney, Jr., A. M., 88 

 VIII. Abstract of the Proceedings of the Fifth Session of the 



Association of American Geologists and Naturalists, 94 



IX. On the composition of Corals and the production of the 



phosphates, aluminates, silicates, and other minerals, by 

 the metamorphic action of hot water ; by J. D. Dana, 135 



X. Address delivered at the Meeting of the Association of 

 American Geologists and Naturalists, held in Washing- 

 ton, May, 1844 ; by Prof. Henry D. Rogers, • 137 



i 



« 



XI- Remarks on the Gulf Stream and Currents of the Sea ; 



by Lieut. M. F. Maury, 



XII. Abstract of the Proceedings of the Thirteenth Meeting of 



161 



the British Association for the Advancement of Science, 182 



XIII. A notice of some of the more important Articles contain- 



ed in Berzelius's Rapport Annuel Sur les Progres de la 

 Chimie, .- • • .. 



XIV. Bibliographical Notices : — De Candolle's Prodromus sys- 



tematis naturalis Regni Vegetabilis, sive Enumeratio con- 



187 



