123 



Industrial education, on, 112. 



Insane, on the statistics of hospitals for the, 

 in Bengal, 89. 



Insanity, on the relative liability of the two 

 sexes to, 92. 



Insessores, 60. 



Ireland, results of the tide observations oii 

 the coast of, 4. 



on certain Silurian districts of, 46. 



, occurrence of marine shells in the 



gravels of, 57. 



, dredging operations on the north coast 



of, 64. 



, additions to the fauna of, 66. 



Iron, cast, action of a new process of mag- 

 netic manipulation on, 12, 100. 



, property of sulphate of, in developing 



photographic images, 36. 



on the alteration that takes place in, 



by being exposed to long-continued vibra- 

 tion, 41. 



experiments on bai-s of, 98. 



Isle of Wight, on a newly-discovered species 

 of Unio, from the wealden strata of the, 42. 



, on the tertiary and cretaceous forma- 

 tions of the, 43. 



Jordan (C. J.) on increasing the intensity of 



the oxyhydrogen flame, 33. 

 Joule (J. P.) on specific heat, 34. 



Karens of India, on the, 84. 



Kemp (Dr.) on the functions of the bile, 86. 



Kettleness, on a large specimen of Plesio- 



saurus found at, 40. 

 Kincaid (Mr.) on the Shyens and Karens of 



India, 84. 

 King (Dr. Richard) on the Fish River of the 



North Polar Sea, 58. 

 on the supposed extinct inhabitants of 



Newfoundland, 83. 

 Kingoodie Quarry, on a nail found imbedded 



in a block of sandstone from, 51. 

 Knipe (J.) on a geological map of the British 



Isles and part of France, 55. 

 Kombst (Dr.) on the mode of constructing 



ethnographical maps, 84. 



Languages of America, on the, 83. 



Latham (Dr. R. G.) on the southern hmits of 

 the Esquimaux race in America, 78. 



on the ethnography of Africa as deter- 

 mined by its languages, 79. 



on the eastern limits of the Australian 



race and language, 80. 



on the ethnographical position of cer- 

 tain tribes of the Garrow Hills, 80. 



Laycock (Dr.), suggestions for the observation 

 of periodic changes in animals, 70. 



on the reflex function of the brain, 85. 



on the sanatory condition of York du- 

 ring the years 1839-43, 90. 



on the addition to vital statistics con- 

 tained in the first Report of the Commis- 

 sioners of Inquiry into the cu-cumstances 

 affecting the Health of Towns, 90. 



Laurent (M.), Prof. MacCullagh on an at- 

 tempt lately made by, to explain on me- 

 chanical principles the phaenoraenon of 

 circular polarization in liquids, 7. 



Laurineae, two new species of the family, 72. 



Lead mines, on the Grassington, 52. 



Le Dru (M.) on the cold-drawn pipes of, 99. 



Lee (Dr. J.), communications on meteorology 

 from Norway, presented by, 27. 



Leigh (Dr.) on the action of nitric acid on 

 naphtha, 33. 



Letter carriers, on a plan for preventing the 

 stealing of letters by, 103. 



Life-boat, on a new, 99. 



Lightia lemniscata, description of, 71. 



Light, on certain points connected with el- 

 liptic polarization of, 7. 



, on the dispersion and absorption of, 8. 



, polarization of by rough surfaces, and 



white dispersing surfaces, 11. 



, influence of, on chemical compounds,35. 



, artificial, on the oeconomy of, for pre- 

 serving sight, 100. 



Limestones of Yorkshire, on the, 30. 



Liquids, on an attempt to explain by mecha- 

 nical principles the phaenomena of circular 

 polarization in, 7. 



Littledale (Mr.) on an apparatus invented by, 

 by which the blind can read and write, 99. 



Llanrwst, periodical birds observed at, in 

 1843 and 1844, 61. 



London, solar variations through the seasons 

 of the barometer in the climate of, 14. 



Loven (Prof.) on the bathymetrical distribu- 

 tion of submarine life on the northern 

 shores of Scandinavia, 50. 



Lowman (the late Mr.) on the orthochrono- 

 graph invented by, 14. 



Lucas (W.) on the limestones of Yorkshire, 30. 



on the alteration that takes place in iron 



by being exposed to long-continued vibra- 

 tion, 41. 



Lucernariae, on the structure of the, 66. 



Lunar observations, state of the reductions 

 of the, made at Greenwich, 2. 



Lycopodium, on the acid formed by the ac- 

 tion of hydrate of potash upon, 33. 



MacCuUagh (Prof.) on an attempt lately made 

 by M. Laurent, to explain on mechanical 

 principles the phaenomenon of circular po- 

 larization in Uquids, 7. 



Machinerv, new apparatus for starting heavy, 

 98. 



Maconochie (Capt.) on the physical charac- 

 ter and geology of Norfolk Island, 57. 



Magnesian limestone of Yorkshu'e, 30. 



Magnetic manipulation, on a new process of, 

 and its action on cast iron and steel bars, 12, 

 100. 



Malton, statistics of Old and New, 89. 



Mammalia, on the discovery of extinct, in 

 the freshwater cliff at Hordwell, 50. 



Manipulation, on a new process of magnetic, 

 and its action on cast iron and steel bars, 12, 

 100. 



