hidex. 44?3 



Larrey* his remarks upon the physical constitution of the Ara- 

 bians, 318. 



Latour, Cagniard, his observations and experiments on vinous fer- 

 mentation, 368. 



Letheea geognostica, by Bronn, noticed, 216. 



Level of the sea and land, their last changes, by James Smith, 

 Esq. of Jordanliill, 387. 



Loudon, J. C, his Arboretum et Fruticetum, noticed, 455. 



Lunar mountains, Tycho, Pictet, and Saussure, described by Wil- 

 liam Beer and J. 11. Madler, 283. 



Machine, grinding, for giving a truly cylindrical form to the rims 



of pulleys and drums, 335. 

 Mackay, J. T., his brief view of the botany of Ireland, 374. 

 Manganese mine, at Grandholm, near Aberdeen, re-opened, 207. 

 Marcet, Professor, his remarks upon the variations which take 



place at certain times of the day in the temperature of the 



lower strata of the atmosphere, 353. 

 Medusae, on the stinging powers of, 211. 

 Mehliss, observations by, on Virilescence, Feminescence, and Re- 



juvinescence, 272. 

 Melloni, Macedoine, his observations upon the cause which pro- 

 duces the speedy melting of snow around plants, 242. 

 Metamorphic rocks, 206. 

 Meteorological observation*, hourly, for thirty-seven successive hours, 



at Edinburgh, 136, 364 — at Drachenfels for the same number 



of hours, 135. 

 Meteoric stones, fall of, in Brazil, 208. 

 Microscopic animalculi as a cause of putrefaction, 208. 

 Moon, survey of the surface of, by William Beer and Dr J. H, 



Madler of Berlin, 38. 



Ocean, colour of, by Arago, 330. — phosphoresence of, 212. 

 Owen, Professor, delivery of the Wollaston medal to him, for his 

 general services in Fossil Zoology, 140. 



Publications, new, noticed: — Gaea Norwegica, 215. — Letha^a 

 geognostica, 216— Sir Philip G. Egerton's catalogue of fossil 



fishes, 216 Zoology of the Beagle, 216.— Quadrupeds of 



Paraguay, 217 Illustrations of the Zoology of South Afiica. 



483 Loudon's Arboretum et Fruticetum, 436. — Ure's Dic- 

 tionary of Arts, manufactures, and mines, 436. — Johnston** 

 British Zoophytes, 437. 



Rain, shower of, from a clear sky, 423. 



Redfield and Reid, their observations on storms, 342. 



Rejuvinescence, observations on, by Dr Mehliss, 279. 



Rudolphi, Professor, biography of, by Miiller, 221. 



Sang, Edward, Esq., his remarks on some prevailing misconceptions 



concerning the actions of machines, 70— notice of a dioptric 



light erected at Kirkaldy Harbour, 249. 

 Sea- water, examination of, 164 — colour of, 330. 



