120 



Bracebridge (C. H.) on rural statistics, illus- 

 trated 1)V those of the Atherstone Union, 

 93. 

 Brain, reflex function of the, 83. 

 Brent (W. B.) on the structure and relative 

 proportions of man at different epochs and 

 in different countries, 82. 

 Brewster (Sir D.) on the cause of an optical 

 phsenonieuon observed by the Rev. \V. 

 Selwyn, 8. 



on the cause of the colours in precious 



opal, 9. 



on crystals in the cavities of topaz, 



which are dissolved by heat and recrystal- 

 lize on cooling, 9. 



on the cause of the white rings seen 



round a luminous body when looked at 

 through specimens of calcareous spar, 9. 



on a singular effect of the juxtaposition 



of certain colours under particular circum- 

 stances, 10. 



on the accommodation of the eye to 



various distances, 10. 



on the polarization of light by rough 



surfaces, and white dispersing surfaces, 11. 

 Bridges (W.) on wooden railways, 97. 

 Briggs (Henry) on industrial education, 112. 

 British Isles, "on a geological map of the, 55. 

 Buchanan (J.) on a new locking apparatus 



for carriages, 98. 

 Buckland's (Dr.) Bridgcwater treatise, The 

 Very Rev. the Dean of York on certain 

 passages in the, 44. 

 Biiildings, construction of, for the accommo- 

 dation of audiences, 99. 

 Builth, on a section through the Silurian 



rocks in the vicinity of, 46. 

 Buist (M.) on a nail found imbedded in a 

 block of sandstone obtained from Kin- 

 goodie (Mylnfield) Quarry, North Britain, 

 51. 

 Buttneriaceae, new genus of the family, 71. 

 Byrne (Oliver) on a new proportional com- 

 pass, 8. 



explanations of the Barege mobile, or 



canalization of rivers, and of the Grenier 

 mobile, or moveable granary for preserving 

 corn, 99. 



on the improved compasses of M. De 



Sire Lebrun, and the cold-drawn pipes of 

 M. Le Dru, 99. 



Calcutta, on the raortaUty of, 88. 



Calycophylluni Stanleyanum, on the, 71. 



Canals, advantages to be obtained by tmiiing, 

 into railways, 97. 



Canary Islands, statuie of the Guanches, the 

 extinct inhabitants of the, 81. 



Carbon, formation or secretion of, by animals, 

 33. 



Carduus setosus, 72. 



Carpenter (Dr.) on the position of the com- 

 pound Ascidians in the zoological scale, 

 66. 



Carriages, on a new locking apparatus for, 

 98. 



Cams (Prof.), Dr. Thurnam on the scientific 



cranioscopy of, 86. 

 Cataracts, on the excavation of the rocky 

 channels of rivers bv the recession of their. 

 45. 

 Chalk formation of Yorkshire, 31. 

 Charles worth (Edward) on a large specimen 

 of Plesiosaurus found at Kettleness, on the 



Yorkshire coast, 49. 

 Chatsworth, on the great fountain at, 102. 

 Chemical athnity, on, 39. 

 Cheiuical compounds, influence of light on, 



35. 

 Chemistry, 28. 

 Clendinning (Dr.) on the statistics of health, 



elucidated by the records of the Maryle- 



bone infirmary, 96. 

 Cleveland, catalogue of birds observed in 



north-western, 59. 

 Climate of London, solar variation through 



the seasons of the barometer in the, 1 4. 

 Clock, on the shape of the teeth of the 



wheels of the, in the New Royal Ex- 

 change, 8. 

 Coal formations of England, on the midland, 



46. 

 Coals, on a plan for drawing, from pits with- 

 out ropes or chains, 98. 

 Cole (John Francis) on the aurora borealis 



as seen at Alten, 27. 

 on a remarkable and sudden fall of rain 



at Alten, 28. 



on the evaporation of the ice at Alten,28. 



Colours in precious opal, on the cause of 



the, 9. 

 singular effect of the juxtaposition of 



certain, under particular circumstances, 10. 

 Compass, on a new proportional, 8. 



on a new steering and azimuth, 12. 



on the improved, of M. De Sire Lebrun, 



99. 

 Copperthwaite (William Charles) on the sta- 

 tistics of Old and New Malton, 89. 

 Corn, on a moveable granary for preserving, 



99. 

 Cornwall, natural history of Goran in, 65. 

 Cranioscopy of Prof. Cams, on the scientific, 



16. 

 Cretaceous formations of the Isle of Wight, 



on the, 43. 

 Crowe (J. R.), general observations on the 



chmate of Norway and Finmark, with some 



remarks on the geography, geology, and 



agriculture, 27. 

 Crustacea, on the reproduction of lost parts 



in the, 68. 

 on the organs of generation in the de- 



capodous, 69. 

 Crystals in the cavities of topaz, on, 9. 

 Cycle, daily observations of the four classes 



of winds, in each month of a, 16. 

 relation of the average barometer to the 



winds and rain of the, 17. 



Daguerreotype plates, impressions of, etched 

 by the agency of an acid, 38. 



