PT 
CONTENTS. 
Art. I. A letter to Prof. Faraday, on certain Theoretical sie’ 
ions; by Prof. R. Hare, M.D.,~— - - 
II. Analysis of Sea Water as it exists in the English Chan- 
nel near Brighton; by G. Scuweirzer, M. D., 
III. On the Halo or Fringe which surrounds all Bodies ; by 
Mrs. Mary GrirritH, 
IV. On the use of the Gules Batery in Bien: y 
Hamitton K. G. Morean, 
V. On the Tails of Comets; by Wiis Micgattx: : 
VI. A Gissi or Kissi Vocabulary ; by Prof. J. W. age 
VIL. A Vai or Vey Vocabulary; by the Same, - 
VIII. A Mendi Vocabulary; by the Same, - 
IX. Vegetable Organography and Physiology, or the For- 
mation and Vital Functions of Plants; v Horace 
GREEN, ey - = a 
X. Practical Rediaks on Gems, kepisetclty on some of those 
found in the United States; by Tuomas Taper, - 
XI. On the Connexion between the theory of the Earth and 
the Secular Variations of the Magnetic a by 
Prof. Joun H. Laturop, - - 
XII. Notices of Tornadoes, &c.; by Prof. R. Hass; M. D., 
XIII. On the Silurian System, with a Table of the Strata and 
Characteristic Fossils; by T. A. Conran, - 
_XIV. Abstract of the Proceedings of the Ninth Meeting of thie 
British Association for the Advancement of Science, 
XV. Account of a Journey to the Coteau des Prairies, with a 
description of the Red Pipe Stone quarry and Granite 
- Bowlders found there; by Mr. GeorcrE CaTLin, - 
XVI. Auroras and Sunset, - - - - - 
MISCELLANIES.—DOMESTIC AND FOREIGN. 
1. Proceedings of the American Philosophical Society, 
2. Proceedings of the Boston Society of Natural History,  - 
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