ii CONTENTS. 



Art. X. Memoir regarding Symington and Bell's pretension* 

 to be considered the original Inventors of Steam 

 Navigation ; being an Appendix to a Narrative on 

 the Introduction and Practice of Steam Navigation, 

 &c. published in the Philosophical Journal for July 

 1825. By P. Miller, Esq. - - 87 



XI. Observations on the Glaciers and Climate of Spitz- 

 bergen, made during a visit to that Island ; with a 

 Reply to Mr Scoresby's Remarks. By Thomas A. 

 Latta, M, D., M. W. S. Communicated by the 

 Author, - - - - ^ 91 



XII. On the Paragrele or Protector from Hail. By John 

 Murray, Esq. F.L.S. M.W.S. &c. Commimica- 

 ted by the Author, - - - 103 



XIII. Observations on the Structure and Nature of Flus- 



trae. By R. E. Grant, M. D. F. R. S. E. F. L. S. 

 M. W. S. formerly Lecturer on Comparative Anato- 

 my in Edinburgh. Communicated by the Author, 107 



XIV. Some Remarks on the Temperature and Climate of 



Shetland. By William Scott, A. M. of the Royal 

 Military College at Sandhurst. Communicated by 

 the Author, - - - 118 



XV. On the History and Constitution of Benefit or Friend- 

 ly Societies. By Mr W. Fraser, Edinburgh, 122 



1. Origin and Number of Friendly Societies in Britain, with 



their probable annual expenditure, - - 122 



2. Do. do. of those in France, - - - 127 



3. Legislative Enactments and Inquiries, - - 128 



4. Imperfections of Friendly Society Schemes, - 133 



XVI. On the Comparative Nutritive Properties of different 



kinds of Food, - - - 140 



XVII. On an excellent mode of Coating small articles of Me- 

 tal with Tin. By Thomas Gill, Esq. - ib. 

 XVIII. On poishing Ivory, Bone, Horn, and Tortoise-shell. 



By Dr Thomas P. Jones, - . - 141 



XIX. Abstracts and Remarks relative to Captain Sabine's 

 Experiments on the Dip and Intensity of the Mag- 

 netic Needle, in different parts of the Northern He- 

 misphere. By Peter Barlow, F. R. S. Mem. Imp. 

 Ac. Petrop. Communicated by the Author, 142 



XX. Refutation of Mr Ivory's New Law of the Heat ex- 

 tricated from Air by Condensation. By Mr Henry 

 Meikle. Communicated by the Author, - 149 



