264 



SECTIONS. — INDEX OF SUBJECTS. 



Languages of the eastern coast of Africa, the 

 Chevalier Bunsen on, 1847, 119. 



• , on Medo-Persic philology, by Prof. 



MacDouall, 1852, 90. 



Lanthanium, a new metal, Prof. Mosander 

 on, 1843, 25. 



Laomedea, on a new British species of (L. 

 angulata), and on the genera Campanu- 

 laria and Laomedea, by Rev. T. Hincks, 

 1858, 126. 



tenuis (new species), Prof. Allman on, 



1859, 143. 



Laplace's functions, Or. Boole on the equa- 

 tion of, 1845, 2. 



Lapps and Finns in Norway, table of the, 

 according to the census returns, by Dr. 

 L. K. Daa, 1856, 139. 



Larva, annelidan, peculiar, 1852, 70. 



, locomotive, of Plumatella fruticosa, 



Prof. Allman on the, 1847, 74. 



• of certain Acari, Prof. Allman on the, 



1847,74- 



Larvae of Callidium bajulum, Eev. L. Jenyns 

 on timber attacked by the, 1847, 85. 



Lathyrus odoratus. Dr. Lankester on a mon- 

 strosity of, 1851, 72. 



Latitude, the line of north and south, and 

 chronometer time, W. Carlile on dials 

 which give the, 1858, 41. 



Latris, a new genus of marine fish, from 

 Van Diemen's Land, Sir J. Eichardson 

 on, 1841, 71. 



Laurineae, Sir E. Schomburgk on two new 

 species of, 1844, 72. 



Lavatera arborea, the woody fibres of, sug- 

 gested to be of use in arts and manufac- 

 tures, 1846, 90. 



Lead, acetate of, and sulphurous acid, as 

 purifying agents in the manufactm'C of 

 sugar, Dr. Scolfern on, 1850, 60. 



, acetate of. Prof. Connell on the preci- 

 pitate caused in spring and river waters 

 by, 1847, 48. 



, basic acetates of, and sulphurous acid, 



on the combined use of the, in the manu- 

 facture of sugar, by Dr. Scoffern, 1849, 42. 



, Prof. T. Thomson on native diarse- 



niate of, 1838, 46. 



— — , nitrate of, precipitated from water by 

 nitric acid, 1835, 54. 



, oxalate of, with nitrate of lead, on a 

 new compound of, 1837, 52. 



, protoxide of, atomic weight of, 1839, 



44. 



, sulphate and nitrate of, atomic weight 



of, 1839, 45. 



— — , Dr. W. Gregory on the sulphite of, 

 1850, 55. 



, sulphuretted sulphate of, from Dufton, 



examination of, 1831-32, 577. 



— — , tartrate and racemate of, atomic weight 

 of, 1839, 49. 



in hydrochloric and nitric acids, Dr. 



S. Macadam on, 1854, 72. 



, on the action of hard waters upon, by 

 Dr. W. L. Lindsay, 1858, 54. 



Lead, notice of the discovery of, on the 

 borders of Galloway and Ayrshire, 1840, 



97- 



, H. L. Pattinson on the extraction of 



silver from, 1838, 50. 



■ mines, Grassington, S. Eddy on the, 



1844, 52. 



mines of Yorkshire, on their produce 



in 1857, by E. Hunt, 1858, 181. 



ore, new, of Caldbeck Fell, Cumber- 

 land, Prof. T. Thomson on, 1838, 46. 



• , crystalline, artificial, 1837, 47. 



Leaden pipe, corroded, on, 1835, 55. 



pipes for water, action of atmospheric 



air, vmcombined chlorine, and carbonic 

 acid on, 1846, 42. 



Leaves and petals, on the colours of, by W. 

 E. C. Nourse, 1858, 115. 



Leda obtusa, taken alive, 1846, 70. 



pygmsea, taken in a living state, 1846, 



69. 



truncata, taken alive, 1846, 70. 



Leech, medicinal, notice of the, 1854, 113. 



Leeches, on the admixture of nervous and 

 muscular fibres in the nerves of, by Prof. 

 Eedfern, 1859, 174. 



Legumine, on the proportion of organic phos- 

 phorus in, by Prof. Voelcker, 1857, 60. 



— — in beans. Prof. Liebig's experiments 

 on the, 1841, 53. 



Lemurid£e, Prof. Van der Hoeven on the 

 anatomy of the, 1860, 135. 



Lennard's microscopical drawings illus- 

 trating the structure of bone, notice of, 

 1848, 125. 



Lens, crystalline, in fishes, birds, reptiles, 

 and quadrupeds, Sir D. Brewster on the, 

 1831-32, 81. 



, crystalline, of the cuttle-fish, Sir D. 



Brewster on the, 1858, 10. , 



, crystalline, of the ox. Sir D. Brew- 

 ster on a new membrane investing the, 

 1850, 4. 



— — , crystalline, Sir D. Brewster on the 

 polarizing structure in the, after death, 



1836, 16. 



, crystalline. Sir D. Brewster on the 



cause of the optical phenomena in tlie, 

 during the absorption of distilled water, 



1837, II. 



, photographic, new, by T. Sutton, 1859, 



63. 



, polyzonal, A.Gordon on the, 1834, 595. 



, Prof. Petzval's, 1858, 13. 



, on a stereoscopic cosmoramic, by G. 



Knight, 1854, 70. 



Lenses and mirrors of different sizes. Sir 

 D. Brewster on the form of images pro- 

 duced by, 1852, 3. 



— — , crystalline, of animals, on certain ab- 

 normal structures in the, and in the human 

 crystalline, by Sir D. Brewster, 1858, 7. 



, cylindrical, on a method of manufac- 

 turing, by Prof. Sturm, 1854, 47. 



, Sir D, Brewster's experiment on the 



diamond for, 1837, 13. 



