CONTENTS. 



Page 

 An Experimental Inquiry into the Physiological Effects of Oxygen 



and other Gases upon the Animal System* By S. D. Broughton, 



F.R.S., F.G.S., &c., &c. . . . . .1 



Notice of a Submarine Forest in Largo Bay, in the Frith of Forth. 

 By the Rev. Dr. Fleming . . . . .21 



On the " Cystic Oxide" Calculus ; and on the sensible, mechanical, 

 and chemical Properties of the Urine in the Diathesis. By 

 Robert Venables, M.B., St. Mary Hall, Oxford, &c. . 30 



On the Coal-field of Sutherland. By J. Mac Culloch, M.D., 

 F.R.S., &c., &c. . . . . . .40 



Observations on Opium and its Tests. By Andrew Ure, M.D., 

 F.R.S.,&c. . . . . . . .56 



Memoir on the Geology of the Shore of the Severn, in the Parish of 

 Awre, Gloucestershire. By the Rev. C. P. N. Wilton, M.A., &c. 64 



On the Decay of Timber, especially of Oak ; with an account of 

 some rudimentary Experiments, projected as a Test, whereby to 

 compute its probable Duration. By G. T. Burnett, Esq. . 73 



Microscopic Illustrations of a few new, popular, and diverting Living 

 Objects, &c., &c., {reviewed) , . . ,86 



On Thorina. By Professor Berzelius . . .88 



On the AstacillsB of Cordiner, a Series of Crustaceous Animals. 

 By the Rev. John Fleming, D.D., F.R.S.E. . . 104 



Fragments on Egyptian Literature . . . • M ^ 



Effects of Animal Charcoal on Solutions. By Thomas Graham, 

 A.M., F.R.S.E., &c. . . . . .120 



Observations on the Mullets of the Coast of Guiana, and the Grey 

 Mullet of the British Coast ; with Incidental Remarks on the Air- 

 bladder and Stomach in Fishes. By Dr. J, Hancock, Cor. Mem. 

 of the Zool. Soc, &c., &c ... . . -.^25 



A Description of Commander Marshall's new mode of Mounting 

 and Working Ships' Guns, {reviewed) .... 140 



On Indigo. By Andrew Ure, M.D., F.RS., &c. . . 160 



On the Velocity of Sound, and Variation of Temperature and Pres- 

 sure in the Atmosphere. By John Herapath • .167 



Proceedings of the Royal Institution . . . .176 



