VoL.6l. Philosophical Magazine. Feb. 1823. 

 Contents of Number 298. 



XX. Geological, Section of Hunstanton Cliff, Norfolk. By Mr. 

 RiCHARD Taylor of Norwich Page 81 



XXI. On the Crystallization of Iron. By Mr. David Mushet. 83 



XXII. Memoir on the different Species, Races, and Varieties of 

 the Genus Brassica (Cabbage), and of the Genera allied to it, which 

 aie cultivated in Europe. By M. Augustin Pyramus De Can- 

 ooLLK, Professor of Botany in the Academy of Geneva, &c. &c 87 



XXriI. On different Modes of working Coals, and of ventilating 

 tl*e Works. By Mr. John Farey, Mineral Surveyor 99 



XXIV. On the Nomenclature of the Cornish Rocks. By John 

 Hawkins, Esq. F.R.S. &c. Honorary Member of the Royal Geolo- 

 gical Society of Cornwall 102 



XXV. On the Knowledge and Commerce of Tin among Ancient 

 Nations, By the Rev. Samuel Greatheeo 109 



XXVI. Remarks on Iridina, a Genus of Fresh-water Bivalve Shells; 

 with the Specific Characters of three Species. By William Swain- 

 son, Esq. F.R.S. F.L.S. &c .' 112 



XXVII. Report made to the Academy of Sciences, Paris, on a 

 Paper of M. Flourens entitled " Determination of the Properties 

 of the Nervous System, or Physical Researches concerning Irrita- 

 bility and Sensibility." By M. G. Cuvier 114 



XXVIII. On Maps of the Moon 125 



XXIX. On the North Polar Distances of the Principal Fixed 

 Stars 126 



XXX. On a proposed Society for Scientific Information 13S 



XXXI. Notices respecting New Books : Analysis of Periodical 

 Works on Zoology and Botany 1 33-136 



XXXII. Proceedings of Learned Societies 137-14'2 



XXXIII. Intelligence and Miscellaneous Articles:— Capt. Parry's 

 Expedition. — African Expedition to discover the Course of the Niger. 



Cinnabar. — Yeast. — Preservation of Grain, &c. from Mice. — New 



Literary Institution. — Chinese Sheet Lead. — Antiquities. — Mock 

 Suns. — New Electro-Magnetic Experiments. — Weights and Mea- 

 sures. — Oil Gas in France. — Meteorological Sun>mary for the year 

 1822. — On portable Barometers. — List of New Patents. — Meteorolo- 

 gical Table 14.2-160 



*'^.* Communications for this Work, received by the Editors, 

 38, Shoe- Lane, will meet with every attention. 



RICHARD TAYLOR,. PRINTER, SHOS-LAXE, LONDON. 



