CONTENTS. 



Art. XX. Meteorological and Astronomical Notices for Decem- 

 ber 1851. By Professor C. Piazzi Smyth, . 

 Astronomer- Royal for Scotland, . 170 



1. Further illustrations of Lieut. Maury's Theory of the 

 Trade-Winds. 2. Lieut. Maury's Wind and Current 

 Charts — ^the important practical results afforded by 

 them. 3. Whale Charts, very interesting. 4. Hur- 

 ricane Charts, their importance illustrated in the case 

 of the encounter of the Pekin steamer with a Chinese 

 typhoon. 5. Saturn's Rings. 6. New Planet Eunomia. 

 7. New Satellites of Uranus. 8. Standard Thermo- 

 meters, ...... 170- 179 



XXI. Scientific Intelligence : — 



METEOROLOGY. 



1. The Climatology of Arctic America in reference to 

 the fate of Sir John Franklin. 2. Atmospheric dis- 

 tribution of Iodine, . . . . . 180 



GEOLOGY. 



3. On the Internal Structure of Mountains. By B. 

 Cotta. 4. On German Tertiary Formations. By F. 

 Sandberger. 5. On an extensive Kock-Formation of 

 Siliceous Polycistina from the Nicobar Islands. By 

 Prof. Ehrenberg. 6. Mr J. B. Guimet's Process for 

 the Manufacture of Artificial Ultramarine, 181-183 



MINERALOGY. 



7. Exhibition of Statues and Gems in the Crystal Palace, 184 



^ ZOOLOGY. 



8. Flying-Fish, 185 



MISCELLANEOUS. 



9. Monticelli's Collection of Minerals at Naples for 

 sale. 10. Science of Pisa. 11. Nocturnal Foi'est 

 Sounds, 186-188 



XXII. List of Patents granted for Scotland from 22d Sep- 

 tember to 22d December 1851, . . 188 



