430 Index, 



Conybeare, W. D., his account of the extraordinary land-slip and great 

 convulsion of the coast of Culverhole Point, near Axmouth, 160. 



Daubeny, C, M.D., his supplement to the introduction to the atomic 

 theory, and also his geology of North America, noticed, 200. 



Dead Sea and the Mediterranean, their difference of level, 96. 



Dermal coverings of animals, observations on, 69. 



Diluvial epoch, on some phenomena of, by Studer, 274. 



Dunn, John, optician, his description of an improvement on Ruther- 

 ford's registering thermometer, 279. 



Dutrochet,M., researches on the vital heat of cold- blooded animals, 152, 



Dysodolite, or foliated mineral pitch, account of, 187. 



Earthquakes, observations on, by M. Edouard Biot, 139. 



Electric fluid, the odour of, as examined by M. Schoenbein, 178. 



Electricity of the atmosphere, in regard to disease, 45. 



Embryology, researches in, by Dr Martin Barry, 84, 421. 



Espy, Mr, his theory of atmospherical phenomena, claimed by Mr 

 Meikle of Edinburgh, 413. 



Euxenite, a new mineral species, described, 417. 



Flying squid, or cuttle-fish, account of, 194. 



Forbes, Professor James, on the diminution of temperature, with 

 height in the atmosphere, at different seasons of the year, 205. 



Fyfe, Dr A., on the comparative illuminating and heating power of 

 different coal-gas burners, and on the use of coal-gas as a 

 source of heat, 214. 



Gas, coal, on the comparative illuminating and heating powers of its 

 different kinds, and its use as a source of heat, 214. 



Gases, inflammable, of coal-mines, their examination, 309. 



Geology of Newfoundland, report on, by J. B. Jukes, Esq., 103. 



of North-eastern Africa, 186. 



Glaciers of Switzerland, observations on, 184. 



which anciently covered the southern side of the mountain- 

 chain of the Vosges, considered, by M. Kenoir, 280. 



Glover, Robert Mortimer, M.D., on the dark races of mankind, 376. 



Gold, native, found in Sutherlandshire, 418. 



Graham, Dr, description of new and rare plants, 171. 383. 



Granite, observations on, by Fr. Mobs, 2. 



its origin considered, by M. B. Studer, 295. 



Gray, J. G., F.R.S., manual of the land and fresh- water shells of 

 Britain, noticed, 200. 



Gray, G. R., genera of birds, noticed, 200. 



Greenockite, observations on, by Mr William Nicol, 175. 



Hair in man, observations on, 69. 



Huttonian theory, observations on, by Studer, 295. 



Hydrargillite, a new mineral species, described, 415. 



Jukes, J. B., Esq., on the geology of Newfoundland, 103. 



Kroyer, Henrik, on the Danish oyster-banks, 22. 



Lake Zirknitz, in Carniola, account of, 72. 



Land-slip near Axmouth, described, 160. 



Level of the sea, ancient lines of, 164. 



