Index. 431 



Kupffer, M. T., his meteorological observations made at St Peters- 

 burg from 1822 to 1835, 77- 



Lamp, polyphotal, described, 193. 



Lantan, a new metal, noticed, 416. 



Laurus cassia of Linnaeus, observations on, by Robert Wight, M.D., 

 20. 



Logan, F,, Surgeon R. N., on the habits of testaceous moUusca be- 

 longing to the genera Achatina and Phasianella, 47. 



Low, Professor, his Illustrations of the Breeds of the Domestic Ani- 

 mals of the British Islands, noticed, 424. 



Luc, J. A. de, on the glaciers of the Alps, 15. — On the transverse val- 

 leys or openings in chains of mountains, which afford a passage 

 to rivers, 32. 



Madras Journal of Literature and Science for 1 839, noticed, 201, 422. 



Malthacite, new mineral species, noticed, 418. 



Mandl, Dr L., his researches on the structure of the scales of fishes, 

 113,274. 



Marshall, Henry, F.R.S.E., his observations on cinnamon, 72. 



Meteorological observations of Kupffer at Petersburg, 77. 



Tables for Applegarth, in Dumfriesshire, 1 1 2, 324 for 



Kinfauns, 319 for Edinburgh, 322 for Alford, 320.— for 



Abbey St Bathan's, 323.— for Carlisle, 326. 



Microscopical Society, their proceedings reported, 414. 



Mikrolin, a new species of mineral, noticed, 417. 



MoUusca, testaceous, on the habits of, by F. Logan, Esq. 47. 



Monazite, the chemical composition of, noticed, 417. 



Morgan, T., his observations on the digestive organs of the infuso- 

 ria, 271. 



Narrative of experiments and suggestions, by the late Mr James 

 Taylor, for the application of steam in navigation, by Sir John 

 Robison, 45. 



Nile, its present and former levels considered, by Sir T. G. Wilkin- 

 son, 211. 



Nova Zembla, sketch of animal life in, by M. K. E. von Baer, 93. 



Oils, fixed, on the adulteration of, by Dr Davidson, 250. 



Oil, palm, on its decolorization, by Dr Davidson, 256. 



Oils, fish, the removal of the foetid odours of, by Dr Davidson. 258. 



Oils, report on Dr Davidson's experiments thereon, by Committee 



of Society of Arts, 264. 

 Opaline Allophane, account of, 418. 



Patents granted for Scotland, from 17th September to 14th Decem- 

 ber 1939, 202 from 21st December 1839 to 18th March 



1840, 425. 



Perikline, a species of felspar, noticed, 419. 



Plants, temperature of, 103, 331. 



Plumage, on the changes of, according to the seasons, 70. 



Pritchard, Dr, on the extinction of h»\man races, 166. 



