Index. 436 



Gathrie, Alexander, Esq., bis account of a single reflecting micro- 

 scope, 326. 



Hepburn, J. Stewart, Esq., on tbe cause of obstruction in water- 

 pipes, &c., 100. 



Hope, Dr, bis address on delivering tbfi Keitb medal, 403. 



Horner, Leonard, Esq., on tbe occurrence of tbe Megalicbtbys in a 

 bed of Cannel Coal, 309. 



Infusoria, Professor Ebrenberg's researcbes on tbe, 42. 

 Ionian Islands, on tbe proximate cause of eartbquakes in tbe, by Dr 

 Jobn Davy, 116. 



Jenyns, Rev. Leonard, notice of a work on tbe Britisb Vertebrate 



Animals by, 210. 

 Jobnston, Jobn, Esq., notice of a systematic treatise on tbe tbeory 



of draining land, &c. by, 210. 



Lamarck, M. de, biograpbical memoir of, by Baron Cuvier, 1 . 

 Lemming, effect of cold on tbe fur of tbe Hudson's Bay, 207. 



Meteorology, questions for solution relating to, bydrograpby, and 

 tbe art of navigation, by M. Arago, 393. 



Megalicbtbys, on tbe occurrence of tbe, in cannel coal, by Leonard 

 Horner, Esq. 309. 



Microscope, notice of a single reflecting, by Alexander Gutbrie, 

 Esq. 236, 



Mitcbell, Dr James, on tbe cbalk and flint of Yorksbire, 68. 



Molasse, on tbe age of tbe, of Switzerland, 207. 



Mollusca, remarks on tbe difficulties of distinguisbing certain tes- 

 taceous, by tbeir sbells alone, by Jobn Edward Gray, Esq., 79. 



Observations, meteorological, made at Fort Vancouver, by Dr M. 

 Gairdner, 67. 



Paine, Mr R, T., on tbe phases of tbe annular eclipse of tbe sun, 

 188. 



Palestine, climate of, 425. 



Paris, on tbe presence of cobalt in tbe upper sandstones of tbe ter- 

 tiary formations of, 428. ^ 



Patterson, Robert, Esq., on a species of beroe, 26. 



Patents, list of, granted in Scotland, 202, 430. 



