n CONTENTS. 



PAOB 



Samuel Forky, M.D., Author of " The Cli- 

 mate of the United States, and its Endemic 

 Influences," Editor of " The New York Jour- 

 nal of Medicine, and the Collateral Sciences," 

 &c., ..... 68 



1. The Northern Division, . . . 74 



2. Middle Division, ... .84 



3. The Southern Division, . . .86 



Art. VII. On the Physiognomy of the Surface of the Earth. 



By Baron Alexander von Humboldt, . 105 



VIII. On the Origin of Quartz and Metalliferous 

 Veins. By Professor Gustav Bischof, of 

 Bonn. (Continued from Vol. xxxviii., p. 353,) 125 



IX. Remarks on the Trade- Winds and other Cur- 

 rents in the Atmosphere at Barbadoes ; with 

 an attempt to develop the Causes of Hurri- 

 canes in the West Indies. By Robert Law- 

 son, Esq., Assistant-Surgeon H.M. 47th Regi- 

 ment. Communicated by the Royal Scottish 

 Society of Arts, . . . .132 



X. On the Languages of the Oregon Territory. 

 By R. Gr. Latham, M.D. Communicated by 

 the Ethnological Society of London, . 157 



XI. On Logarithmic Tables. By William Gal- 



BRAITH, ..... 169 



XII. Remarks on the Cirripedia, with Descriptions 

 of several Species found adhering to Vessels 

 from Ichaboe, on the West Coast of Soutbern 

 Africa. By William MacGillivray, A.M., 

 LL.D., Professor of Natural History in 

 Marischal College and University, Aberdeen. 

 Communicated by the Author. (Continued 

 from p. 305 of Vol. xxxviii.), . . 171 



XIII. Scientific Intelligence : — 



METEOKOLOGY AND GEOLOOT. 



1. Phosphorescent Rain. 2. Fossil Meteqric Stones. 3. In- 

 fusoria in Volcanic Rocks. 4. Materials formerly or at 

 present employed in the construction of the Cathedral 

 of Cologne. 5. Early Composition of the Atmosphere. 6. 

 Bhrenberg's Researches on the Distribution of Micro- 



