132 



Flowers, on lime, 45. 



Forster (J. A.) on improvements in organ 

 machinery, 117- 



Fossils, on some Ayrshire, 61. 



Fowler (Dr.) on the influence of the cir- 

 culation of the blood on the mental 

 functions, 66. 



Galitzin (Prince Ern.), manners and cus- 

 toms of the Yacoutes, 80. 



Galvanic battery, on the decomposition 

 of water under pressure, by the, 39. 



Galvanic batteries, on some new kinds 

 of, invented by M. Kukla of Vienna, 

 44. 



Gas, on the advantages arising from the 

 purification of coal, by the application 

 of, 45. 



Gases, on the conduction of electricity by 

 flame and, 42. 



Gassiot (John P.) on the decomposition 

 of water under pressure by the gal- 

 vanic battery, 39. 



Geography, 73. 



Geography of the arctic regions, on con- 

 tributions to the ancient, 91. 



Geology, 50. 



Gladstone (J. H.) on the spontaneous 

 decomposition of xyloidine, 41 ; on the 

 corrosion of iron-built ships by sugar 

 cargoes, 41. 



Glass tubes, on a simple instrument for 

 graduating, 37. 



Gloucestershire, on the cornbrash of, 

 50. 



Gold, on new supplies of, 110. 



Gould (John) on a new species of Cometes, 

 a genus of humming-birds, 68. 



Grape disease, on the employment of 

 pentasulphate of calcium as a means of 

 preventing and destroying the, 46 ; on 

 a pentasulphide of calcium, as a remedy 

 for, 63. 



Gray (WiUiam, Jun.) on a concentric iris, 

 as seen from the ridge of Snowdon, 26. 



Great Britain, on the results of the census 

 of, in 1851, 98. 



Grimsby, analysis of deposit from the 

 Humber at, 50. 



Grove (W. R.) on the conduction of 

 electricity by flame and gases, 42. 



Halichondria suberea, on the mode of 



growth of, 72. 

 Hall (Captain Walter) on the new route 



between the Atlantic and Pacific by 



the River Maule in Chili, 82. 

 Harrison (R.) on the Diatomacese found 



in the neighbourhood of Hull, 63. 

 Heat, 3. 



Helmholtz (Prof.), on the mixture of 

 homogeneous colours, 5. 



Hessle, analysis of deposit from the 

 Humber at, 49. 



Hippopotamus, on the remains of the, 

 found in the Aire Valley deposit near 

 Leeds, 51. 



Hogg (John) on the artificial breeding of 

 salmon in the Swale, 68 ; on Iceland, 

 its inhabitants and language, 82. 



Holderness, on changes observed in wood 

 from the submerged forest of Wawne 

 in, 45 ; on the waste of the coast of, 

 53. 



Homogeneous colours, on the mixture 

 of, 5. 



Hopkinson (Joseph) on the steam-engine 

 indicator, 118; on an improved com- 

 pound patent safety valve for steam- 

 boilers, 119; on a patent safety alarum 

 for steam-boilers, ib. ; on an improved 

 patent steam-engine boiler designated 

 the greatest resistance steam boiler, 

 120. 



Horner (Dr. F. R.) on some discoveries 

 relative to the chick in ovo, and its 

 liberation from the shell, 68. 



Huggate, Yorkshire, meteorological sum- 

 mary for 1852 of observations at, 32. 



Hull, on the meteorology of, 27 ; ana- 

 lysis of deposit from the Humber at, 

 49 ; Diatomaceje found in the neigh- 

 bourhood of, 6g ; on the mortality of, 

 in 1849, 102 ; on the prevalence of 

 diseases in, 103 ; on the causes, extent, 

 and preventives of crime, with especial 

 reference to, 112. 



Human species, ethnological remarks 

 upon some of the more remarkable 

 varieties of the, represented by indi- 

 viduals now in London, 88. 



Humber deposits, on the chemical con- 

 stitution of the, 49. 



Humber, on the dialects north and south 

 of the, 73. 



Hume (Rev. A.) on the education of the 

 poor in Liverpool, 103. 



Humming-birds, new species of Cometes, 

 a genus of, 68. 



Hunt (Robert) on a method of accelera- 

 ting the germination of seeds, 63. 



Hydra viridis, on the structure of, 64, 66. 



Iceland, its inhabitants and language, on, 

 82. 



India, on the partridges of the great 

 water-shed of, 71- 



Indian seas, on the currents of the, 12. 



Ireland's recovery ; or excessive emigra- 

 tion and its reparative agencies, 107. 



