564 INDEX. 



St. Bernard, 233 ; — at different places on the line of the Rochdale 

 canal, 243. 



Rainbow, white lunar one, 140. 



Red-sand rock, nature of, 151. 



S. 



Secretions in the human body, quantity of certain, 303, &c. 



Section of the best form of a cast iron beam, 489. 



SiBsaN, Rev. Edmund, his investigation of a curve of quickest 

 descent, 1, &c. 



Stars, twinkling of, 143. 

 Specific gravity, of the human body, 293. 

 Strength of cast iron beams, 407, ^t seq. 



Suspension, bridge, at Broughton, analysis of the strain upon 

 it, 387 to 393;— failure of, 545. 



Temperature, mean of Spring waters at Crumpsall, 66. 



Thermometer, observations on, at Crumpsall, 64. 



Thomson, William, A. M., notices botanical, &c. on the parish 

 of Landudno, Carnarvonshire, 165. 



Thunder storms and luminous meteors, 80. 



W. 



Winds, observations on at Crumpsall, 72. 



PRINTED BY HENRY SMITH, MANCHESTER^ 



