122 



Gibbes (Sir G., M.D.) on the constitution of 



matter, 41. 

 Gilbert (Mrs.) on agricultural schools, 87. 

 Giraffe, peculiar structure of the hoof of the, 



63. 

 Glacier ice, an attempt to establish the plastic 



nature of, by direct experiment, 24. 

 Glaciers, explanation of certain geological 



phaenomena by the agency of, 57. 

 Glass furnaces, air-duct to be used in, for the 



prevention of smoke, 35. 

 Goadby (A.) on the conservation of sub- 

 stances, 69. 

 Goddard (James Thomas) on an improved 



finemometer, 23. 

 Gold ores, discovery of, in Merionethshire, 



56. 

 Goodman (John) on the analogy of the ex- 

 istences or forces, light, heat, voltaic and 



ordinary electricities, 11. 

 Goodsir i^IIarry D. S.) on the structm-e and 



development of the cystic entozoa, 67. 

 on the reproduction of lost parts in the 



Crustacea, 68. 

 on the organs of generation in the de- 



capodous Crustacea, 69. 

 Goran, in Cornwall, on the natural history 



of, 65. 

 Gould (John), a monograph of the subfamily 



Odontophorinse, or partridges of America, 



61. 

 Grallatores, 60. 

 Granary for preserving corn, moveable, on 



the, 99. 

 Grassington lead mines, on the, 52. 

 Grate, on a new furnace, 98. 

 Gravels of Ireland, occurrence of marine 



shells in the, 57. 

 Gray (J.) on the causes of the great Versailles 



railway accident, 97. 

 — — experiments on iron bars, 98. 

 Green (Dr.) on Nasmyth's steam pile driver, 



98. 

 Greenhow (T. M.) on an air-duct to be used 



in glass furnaces for the prevention of 



smoke, 35. 

 Greenwich, state of the reductions of the 



planetary and lunar observations made 



at, 2. 

 Grenier mobile, or moveable granary for pre- 

 serving corn, 99. 

 Grewe (J. H.), experiment with the ther- 

 mometer on the mountain Storvandofjeld, 



27. 

 Griffith (Richard) on certain Silurian districts 



of Ireland, 4G. 

 Grit, on the relative age and true position of 



the millstone, 51. 

 Grove (Prof.) on photography, 37. 

 Guanches, the extinct inhabitants of the Ca- 

 nary Islands, on the stature of the, 81. 

 Guano, 32. 



Guiana, British, on the forest trees of, 72. 

 , on two new species of Laurinese from, 



72. 

 , on the natives of, 83. 



Hall (Elias) on the midland coal formations 

 of England, 46. 



Hamilton (Sir W. R.) on a theory of quater- 

 nions, 2. 



Hancock (Albany) on Pterochilus, a new 

 genus of nudibranchiate mollusca, and two 

 new species of Doris, 66. 



Hawaiian Islands, on the natives of the, 82. 



Hawkins (I.) on the oeconomy of artificial 

 light for preserving sight, 100. 



Health, on the statistics of, 96. 



Heat, specific, 34. 



HeUanthoid zoophytes, on a new genus of, 

 66. 



Heming (Dr.) on a disease of the tongue, 84. 



Herschel (Sir J. F. W., Bart.), contributions 

 to actino-chemistry ; on the amphitj'pe, a 

 new photographic process, 12. 



Hodgkin (Dr.) on the dog as the associate of 

 man, 81. 



on the stature of the Guanches, the ex- 

 tinct inhabitants of the Canary Islands, 81. 



on tlie tape-worm as prevalent in Abys- 

 sinia, 85. 



Hodgkinson (Eaton), experimental inquiries 

 into the falling off from perfect elasticity 

 in solid bodies, 25. 



Hogg (John), catalogue of birds observed in 

 S.-E. Durham, and in N.-W. Cleveland, 59. 



Hopkins (T.) on the irregular movements of 

 the barometer, 21. 



on the diurnal variations of the bai'O- 



meter, 22. 



Hordwell, discovery of an alligator in the 

 freshwater cliff at, 50. 



Hosiery trade, on the statistics of the ma- 

 chine-WTOught, 91. 



Hospitals for the insane in Bengal, on the 

 statistics of, 89. 



Howard (Luke), the mean year, or solar va- 

 riation through the seasons of the baro- 

 meter in the climate of London, 14. 



Huggate well, temperature of the air at va- 

 rious soundings of, 22. 



Hunt (Robert) on the influence of light on 

 chemical compounds, and electro-chemical 

 action, 35. 



on the ferrotype, and the property of 



sulphate of iron in developing photogra- 

 phic images, 36. 



Hyndman (Mr.), dredging operations on the 

 north coast of Ireland, 64. 



Ibbetson (L. L. B.) on a method of electro- 

 type, by which the deposition on minute 

 objects is easily accomplished, 39. 



on the tertiary and cretaceous forma- 

 tions of the Isle of Wight, 43. 



Ice, glacier, an attempt to estabhsh the pla- 

 stic nature of, by direct experiment, 24. 



Ichthyosaurus, anomalous structm'e in the 

 paddle of a species of, 51. 



India, on the geodetical operations of, 3. 



, on the Shyens and Karens of, 84. 



Indigo, on the supposed formation of vale- 

 rianic acid from, 33. 



