CONTENTS 



Art. I. Notes on a journey to Mauch Chunk and other An- 

 thracite regions of Penn., with plates and a map 

 Editor, - ------ 



II. On the Coal Formations in New York and Penn. 



By Prof. Eaton, - - - - 



III. Description of Dr. Hare's Laboratory, &c. Univ. 



Penn., with a plate, - - - - 



Page. 



Animals, Birds,- Fishes, &c. translated from the 



VIII. 



Edward 



Thomas, 





IX. Notice of the Arane 



X. List of the plants of Chile, by Dr. C. Bertero ; 



W 



ENBERGER 



Indus- 



1 



21 



26 



IV. Memoir of Count Rumford ; by Baron Cuvier, 28 



V. On Central Forces ; by Prof. Theodore Strong, 46 



VI. Direct demonstration of the Binomial Theorem in 



Algebra ; by David Gould, - - - 50 



VII. Directions for the preparation and preservation of 



Wm. C. Woodbridge, 52 



57 



Dix, of Boston, with a plate, - - 61 



63 



70 



XI. Original and select Observations on the detection of 



Adulterations ; by Edwin D. Faust, M. D. Co- 

 lumbia College, S. C. - - 



XII. Notice of the Academy of Natural Sciences of Phil- 

 adelphia; by a Member, - - - 88 



XIII. Notices of the Geology, &c. near the Bedford and 



Bath or Berkeley Springs ; by Dr. H. H. Hayde* , 97 



XIV. The Hartz. 



try, &c. ; by Thos. G. Clemson, Mem. Roy. School 

 of Mines at Paris, &c, with a plate, - - 105 



XV. Remarks upon the present mode of conducting Land 



Surveys in the United States ; by Edwin F. Johnson, 131 



XVI. Remarks upon the salt formation of Salina, N. Y. 



and other places; by Joshua Forman, Esq. 141 



XVII. Safety of Steam Boats.— Editor, - - 143 



