INDEX II. 



141 



Steam engine, rotatory, 129- 



Steam vessels, on the ceconomical pro- 

 portion of power to tonnage in, 124. 



Stevelly (Prof.) on filling a barometer 

 without an air-pump, 21. 



Strickland (H. E.), queries respecting 

 the gravel near Birmingham, 71- 



Strontium and barium, on the prepa- 

 rations of, 36. 



Suffolk, remains of mammalia in the 

 crag and London clay of, 69- 



Sykes (Col.) on certain meteorological 

 phsenomena in the Ghats of Western 

 India, 15, 



Talbot (F.) on Daguerre's photogenic 

 process, 3. 



Teeth, on the follicular stage of den- 

 tition in the ruminants, 82. 



, on the cellular structure of the 



ivory, enamel, and pulp of the, 

 109. 



Telescopes, original mode of forming 

 concave mirrors for, 7- 



Temperature of the earth, in deep 

 mines, 19. 



Thomson (Dr. R. D.) on the exist- 

 ence of free muriatic acid in the 

 stomach during digestion, 58. 



on alkaline indigestion, 107. 



Tide observations, by Admiral Liitke, 

 11. 



Tides, observations on Capt Fitzroy's 

 views of the, 11. 



Transit-clock, in the Radcliffe obser- 

 vator}'', on the rate of the, 28. 



Tweeddale's (Marquis of) patent brick 

 and tile machine, 128. 



Tubulariadse, a new species of the 

 family, 81. 



University of Oxford, academic sta- 

 tistics of, 119. 

 Ure (Dr.) on photometry, 7. 



on a new calorimeter, 20. 



on the fluency or viscidity of 



liquids, at the same and different 

 temperatures, 22. 



experiments on fermentation, 59. 



on the evaporative calorific pow- 

 ers of fuel, 132. 



Vaccine virus of 1838, on the, 105. 



Valmerino (Count du) on gas-lighting, 



65. 

 Variola- Vaccinia, origin of, 104. 

 Velutina elongata, a new testaceous 



mollusk, 80. 

 Vignoles (C.) on percussion boring of 



tunnels, 131. 

 Voice, observations on the, 100. 

 Voltaic action, deposition of metals 



by, 38. 

 battery of extraordinary energy, 



36. 

 ■ circle, on the theory of the, 29. 



Ward (Dr. O.) on the foot-prints and 

 ripple-marks of the new red sand- 

 stone of Grinshill Hill, Shropshire, 

 75. 



Warwick sandstone, organic remains 

 of, 75. 



Warwickshire, on the geology of, 73. 



Wave-theory, as connected with el- 

 liptic polarization, 2. 



Westmoreland, description of asection 

 across the Silurian rocks in, 67. 



Westphalia, on the carboniferous and 

 Devonian systems of, 72. 



Whale, remains of one recently dis- 

 covered at Durham, 89. 



Wharton (W. L.) on the statistics of 

 the mining districts of Northumber- 

 land, Durham, and Yorkshire, 120. 



Wheat, on the acceleration of the 

 growth of, 86. 



Wheels, bevel, machine for cutting the 

 teeth of, 129. 



, wooden railway, 131. 



Whewell (Rev. W.) observations on 

 Capt. Fitzroy'sviewsofthetides, 11, 



, notice of tide observations, 11, 



on Dr. WoUaston's argument 



respecting the infinite divisibility of 

 matter, 26. 



Wigham (J. B.) on the sandpipes in 

 the chalk near Norwich, 65. 



Wilde(Mr.) on the preparation offish, 

 84. 



White lead, theory of the formation of, 

 60. 



Williams (Rev. D.) on the geological 

 horizon of the rocks of South Devon 

 and Cornwall, 68. 



Wilson (G.), demonstration of tlie 



