CONTENTS. Ill 



PAOK 



XX. Scientific Intelligence i — 



METEOROLOGY AND GEOLOGY. 



1 . Sulphur in the Atmosphere. 2. On the Cleavage of 



Slate-Strata. 3. Earthquake in Tuscany, August 19, 421 



PALAEONTOLOGY. 



4. Discovery of New Species of Fossil Frog in the Ter- 

 tiary Formations of Osnabruck. 5, Two New. Spe- 

 cies of Fossil Bat in the Tertiary Formation of 

 Weisenau, . . . . -424 



ZOOLOGY. 



6. The Lion, as an article of Food. 7. On a Gigantic 

 Stag, Cervus Euryceros, Aldr. ; Megaceros, Hart.; 

 Oiganteus, Galde. By Dr E. EiCHWALD. 8. On 

 the Respiratory Apparatus of Birds. By M. Na- 

 TALis GuiLLOT and M. Sappey. 9. On the Com- 

 parative Anatomy of the Vocal Organs of Birds. 

 By Professor Muller. 10. Physiological Remarks 

 on the Statics of Fishes. 11. Red Colour of the 

 Blood in the Planorbis imbricatus. By M. DE 

 QuATREFAGES. 12. On the Development of the 

 Annelides. By M. Sars. 13. On the Development 

 of the Hearing Apparatus in the Mollusca. By Dr 

 H. Frey, . . . . 425 



XXI. New Publications received, . . . . 431 



XXII. List of Patents granted for Scotland from 23d June 



to 22d September 1846, . . . 434 

 Index, 437 



LIST OF PRIZES OFFERED BY THE ROYAL SCOTTISH SOCIETY 

 OF ARTS FOR SESSION 1846-47. 



The ROYAL SCOTTISH SOCIETY OF ARTS proposes to award Prizes of 

 different values (none to exceed Thirty Sovereigns), either in Gold or Silver 

 Medals, Silver Plate, or Money, for approved Communications relative to In- 

 ventions, Discoveries, and Improvements in the Mechanical and Chemical Arts 

 in General, and also to means by which the Natural Productions of the Country 

 may be made more available ; and, in particular, to — 



I. Inventions, Processes, or Practices from Foreign Countries, not generally 

 known or adopted in Great Britain — such as the Manufacture of Glass Pipes 

 for conveying Water, Gas, &c. 



II. Notices of Processes in the Useful Arts practised in this Country, but not 

 generally known. 



III. Experiments applicable to the Useful Arts. 



IV. Practical Details of Public or other Undertakings of National Import- 

 ance, not previously published. 



V. Discovery of Substitutes for Hemp and Flax, &c. 



VI. Inventions, Discoveries, or Improvements in the Useful Arts, includ- 

 ing the Mechanical and Chemical; and in the Mechanical Branch of the Fine 

 Arts ; such as the following, viz. : — 



1. Mechanical Arts. 

 1. Methods of rendering large supplies of Water available, for the purpose 

 of extinguishing Fires ; and the best application of Manual, or other Power, 



