414 INDEX. 



Latta, Dr Thomas, his observations on the Arctic Sea and Ice, 86. 



Lead mines of the south of Spain, Mr Witham's remarks on the, 375. 



Leech, notice regarding a species of, 202. 



LesHe, Professor, his enumeration of instruments necessary for meteoro- 

 logical observations, 141. — on the coniometer, 384. 



Libellulite, account of one found at Solenhoffen, 195. 



Lindsay, J, Esq. his meteorological observations made in Jamaica, 317. 



Longchamp, M., his remarks respecting nitre, 193. 



Luminousness of the eyes of animals, Dr Esser's remarks on the, 164. — 

 M. Prevost's observations on the same subject, 297. 



Macgillivi-ay, Mr W., his description of two species of Conchifera, 370. 



Macvicar, Mr John, his account of the seed of Stipa pennata, 343. 



Madeira, Von Buch's observations made during a visit to, 73. 



Magnetic iron-ore, a hill of, in Siberia, 1 96. 



Magnetic needle, Mr Barlow's account of experiments relative to itM«- 

 riation and intensity, made during Parry's third voyage, with re- 

 marks, 347. 



Malesherbia, Mr D. Don's description of the genus, 320. 



Mathematical and astronomical tables, notice regarding Mr Galbraith's, 

 404. 



Mathematics, notice regarding a work of Baron Dupin's on, 208. 



Manures, their effects on the qualities of plants, 397. 



Meikle, Mr Henry, his remarks and experiments relating to hygrometers 

 and evaporation, 22. — on the experiments to determine the specific 

 heat of air under volume and under pressure, 328.— remarks on the 

 use of a simple syphon as a hygrometer, 366. 



Meteors seen in India, 191. 



Meteorological observations. Professor Leslie's remarks on the mode of 

 conducting, 141. — made in Jamaica by Mr J. Lindsay, 317. 



Meteorology, notices in, 191. 



Mineralogy, notices in, 197. 



Mustard-tree, Mr D. Don's account V it, 306. 



Natural philosophy, notices in, 391. 



Nitre, notice regarding M. Longchamp's opinion as to its formation, 193. 



Octopus ventricosus, Dr Grant's description of, 309. 

 Orang outang, Dr Abel's account. of one killed in Sumatra, 371.^ — no- 

 tice respecting the same, 207. 



Parry, Captain, Dr Latta's observations on his intended expedition to 

 the North Pole, 86. 



