CONTENTS. 



4. Experiments and Observations on the Arteriali- 

 zation of the Blood. By William Gbegory, 



M. D., F. R. S. E., and W. J. Irvine, Esq. 185 



5. Observations on the Lines of the Solar Spectrum, 

 and on those produced by the Earth's Atmos- 

 phere, and by the Action of Nitrous Acid Gas. 



By Sir David Brewster, LL. D., F. R. S. 186 



6. Notice relative to the Pigmentum Nigrum of the 



Eye. By Thomas Wharton Jones, Esq. 189 



7. On the Composition of some Iron Slags. By J. 



F. W. Johnston, Esq. F. R. S. E. - 190 



8. Communication relative to the Fresh- Water 

 Limestone of Burdiehouse, near Edinburgh, be- 

 longing to the Carboniferous group of Rocks. 



By Dr Hibbert, - - - ib. 



9. Additional Particulars relative to the Saurian 

 Remains found in the Burdieho se Limestone. 

 Communicated in a Letter to Professor Jabieson. 



By Dr Hibbert, *. ^^»' ^^^ --'^^ - 192 



XXI. Proceedings of the Wernerian Natural History So- 

 ciety, - - ^ - - 195 

 XXII. Proceedings of the Society of Arts for Scotland, 197 



XXIII. Statutes of the University of Edinburgh, relative 



- to the Degree of M. D.— 1833, - - 200 



XXIV. List of Patents granted at Edinburgh, from 24th 

 June to 27th August 1833, - - 204 



