121 



Daubeny (Prof.) on the phosphorite rock in 

 Spanish Estremadura, 28. 



Dean (Arthur) on the discovery of gold ores 

 in Merionethshire, 56. 



on the stratification of igneous and se- 

 dimentary rocks of the Lower Silurian for- 

 mation in, 56. 



Dean of York (The Veiy Rev. the), his re- 

 marks on certain passages in Dr. Buck- 

 land's Bridgewater treatise, 44. 



Dean (Sir T.) on the construction of build- 

 ings for the accommodation of audiences, 

 99. 



De la Beche (Sii- H. T.) on that portion of 

 the Ordnance geological map of England, 

 now completely coloured, and on a section 

 through the Silurian rocks in the vicinity 

 of Builth, 46. 



Dent (E. J.) on the shape of the teeth of the 

 wheels of the clock in the New Royal Ex- 

 change, 8. 



on a new steering and azimuth com- 

 pass, 12. 



Derbyshire, on the toadstones of, 57. 



De Sire Lebrun (M.) on the improved com- 

 passes of, 99. 



Dog as the associate of man, on the, 81. 



Doris, new species of, 66. 



Dredging committee for 1844, report of the, 

 63. 



Drury (Rev. Theodore) on the improvement 

 of agricultural labourers, 90. 



Durham, catalogue of birds observed in 

 south-eastern, 59. 



East Bourne, on agricultural schools near, 87. 



Eddy (S.) on the Grassington lead mines, 

 illustrating a model of the mine, 52. 



Education, statistical notices on the state of, 

 in York, 91. 



industrial, 1 12. 



Elasticity in solid bodies, on the falling off 

 from perfect, 25. 



Electricity without contact, production of, 39. 



Electro-chemical action, on, 35. 



Electrolysotype, on the, 36. 



Electrotype, on a method of, 39. 



England, midland coal formations of, 46. 



Entozoa, on the structure and development 

 of the cystic, 67. 



Erythrin, on some products of the decompo- 

 sition of, 31. 



Esquimaux race, southern limits of the, in 

 America, 78. 



Estremadura, Spanish, on the phosphorite 

 rock in, 28. 



Ethno-epo-graphy, on, 84. 



Ethnographical maps, mode of constructing, 

 84. 



Ethnography of Africa as determined by its 

 languages, 79. 



Everest (Lieut.-Col.) on the geodetical ope- 

 rations of India, 3. 



on an instrument called a barometer- 

 pump, for filling barometer tubes in vacuo, 

 24. "> io {jitsjiu 3'lJ <i 



Exeter amygdaloid, on the, 55. 



Exley (Thomas) on the alternate spheres of 

 attraction and repulsion, noticed by New- 

 ton, Boscovich, and others ; and on che- 

 mical affinity, 39. 



Eye, on the accommodation of the, to va- 

 rious distances, 10. 



Fairbairn (W.) on the oeconomy of the ex- 

 pansive action of steam in steam-engines, 

 98. 



Fauna of Ireland, additions to the, 66. 



Featherstonhaugh (G. W.) on the excavation 

 of the rocky channels of rivers by the re- 

 cession of their cataracts, 45. 



Felkin (William) on the statistics of the ma- 

 chine-wrought hosiery trade, 91. 



Ferns, on the cultivation of, 73. 



Ferrotype, on the, 35. 



Fishes of Yorkshire, on the, 62. 



on the sclerotic plates in, 63. 



Fish river of the North Polar Sea, 58. 



Flames, oxyhydrogen, on increasing the in- 

 tensity of the, 33. 



Fletcher (Joseph), statistical notices of the 

 state of education in York, 91. 



Flora of Yorkshire, on the, 70. 



Forbes (Prof. E.) on the tertiary and cre- 

 taceous formations of the Isle of Wight, 

 43. 



dredging operations on the coast of 



Anglesea by, 63. 



on some animals new to the British 



seas, 64. 



on the morphology of the reproductive 



system of Sertularian zoophytes, and its 

 analogy with that of flowering plants, 68. 



Forbes (Prof. J. D.), an attempt to establish 

 the plastic nature of glacier ice by direct 

 experiment, 24. 



Fowler (Dr.), additional facts relative to the 

 case of a blind and deaf mute, 85. 



France, on a geological map of part of, 55. 



, on the mining industry of, 86. 



Frankfort on the Maine, on the statistics of, 

 88. 



Freshwater cliff at Hordwell, discovery of an 

 alligator in the, associated with extinct 

 mammalia, 50. 



Frog, experiments with zinc on the limbs of 

 a, 38. 



Fiu-nace-grate, on a new, 98. 



Garrow Hills, on the ethnographical position 



of certain tribes of the, 80. 

 Galium Vaillantii, 73. 

 Gassiot (M.) on the production of electricity 



without contact, 39. 

 Geodetical operations of India, on the, 3. 

 Geography, physical, 42. 

 Geological map of England, Ordnance, on 



that portion now completely coloured, 46. 

 phasnomena, explanation of certain, by 



the agency of glaciers, 57. 

 Geology, 42. 

 of Norfolk Island, on the, 57. 



